Home / 4,319.28-5,949.72-3,386.16

Finding the Fourth Proportional to 4,319.28, 5,949.72 and 3,386.16

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Solution

The fourth proportional to 4,319.28, 5,949.72 and 3,386.16 is: 4,664.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.28 : 5,949.72 = 3,386.16 : x
  2. Step 2: Convert to fraction form
    4,319.28/5,949.72 = 3,386.16/x
  3. Step 3: Cross multiply
    4,319.28x = 5,949.72 × 3,386.16
  4. Step 4: Simplify right side
    4,319.28x = 20,146,703.88
  5. Step 5: Solve for x
    x = 20,146,703.88/4,319.28
  6. Step 6: Final answer
    x = 4,664.37

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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.