Home / 5,354.28-7,391.43-3,587.04

Finding the Fourth Proportional to 5,354.28, 7,391.43 and 3,587.04

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Solution

The fourth proportional to 5,354.28, 7,391.43 and 3,587.04 is: 4,951.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.28 : 7,391.43 = 3,587.04 : x
  2. Step 2: Convert to fraction form
    5,354.28/7,391.43 = 3,587.04/x
  3. Step 3: Cross multiply
    5,354.28x = 7,391.43 × 3,587.04
  4. Step 4: Simplify right side
    5,354.28x = 26,513,355.07
  5. Step 5: Solve for x
    x = 26,513,355.07/5,354.28
  6. Step 6: Final answer
    x = 4,951.81

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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.