Home / 4,019.48-5,547.39-2,340.90

Finding the Fourth Proportional to 4,019.48, 5,547.39 and 2,340.90

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Solution

The fourth proportional to 4,019.48, 5,547.39 and 2,340.90 is: 3,230.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,019.48 : 5,547.39 = 2,340.90 : x
  2. Step 2: Convert to fraction form
    4,019.48/5,547.39 = 2,340.90/x
  3. Step 3: Cross multiply
    4,019.48x = 5,547.39 × 2,340.90
  4. Step 4: Simplify right side
    4,019.48x = 12,985,885.25
  5. Step 5: Solve for x
    x = 12,985,885.25/4,019.48
  6. Step 6: Final answer
    x = 3,230.74

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Half scale
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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.