Home / 5,403.16-7,450.92-3,724.72

Finding the Fourth Proportional to 5,403.16, 7,450.92 and 3,724.72

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Solution

The fourth proportional to 5,403.16, 7,450.92 and 3,724.72 is: 5,136.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.16 : 7,450.92 = 3,724.72 : x
  2. Step 2: Convert to fraction form
    5,403.16/7,450.92 = 3,724.72/x
  3. Step 3: Cross multiply
    5,403.16x = 7,450.92 × 3,724.72
  4. Step 4: Simplify right side
    5,403.16x = 27,752,590.74
  5. Step 5: Solve for x
    x = 27,752,590.74/5,403.16
  6. Step 6: Final answer
    x = 5,136.36

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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.