Home / 5,355.27-7,394.38-4,174.29

Finding the Fourth Proportional to 5,355.27, 7,394.38 and 4,174.29

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Solution

The fourth proportional to 5,355.27, 7,394.38 and 4,174.29 is: 5,763.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.27 : 7,394.38 = 4,174.29 : x
  2. Step 2: Convert to fraction form
    5,355.27/7,394.38 = 4,174.29/x
  3. Step 3: Cross multiply
    5,355.27x = 7,394.38 × 4,174.29
  4. Step 4: Simplify right side
    5,355.27x = 30,866,276.05
  5. Step 5: Solve for x
    x = 30,866,276.05/5,355.27
  6. Step 6: Final answer
    x = 5,763.72

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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.