Home / 4,019.32-5,546.28-2,340.19

Finding the Fourth Proportional to 4,019.32, 5,546.28 and 2,340.19

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Solution

The fourth proportional to 4,019.32, 5,546.28 and 2,340.19 is: 3,229.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,019.32 : 5,546.28 = 2,340.19 : x
  2. Step 2: Convert to fraction form
    4,019.32/5,546.28 = 2,340.19/x
  3. Step 3: Cross multiply
    4,019.32x = 5,546.28 × 2,340.19
  4. Step 4: Simplify right side
    4,019.32x = 12,979,348.99
  5. Step 5: Solve for x
    x = 12,979,348.99/4,019.32
  6. Step 6: Final answer
    x = 3,229.24

Related Problems

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Half scale
Find fourth proportional to 8,038.64, 11,092.56 and 4,680.38
Double scale
Find fourth proportional to 4,020.32, 5,547.66 and 2,341.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.