Home / 5,315.32-7,331.92-3,324.24

Finding the Fourth Proportional to 5,315.32, 7,331.92 and 3,324.24

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Solution

The fourth proportional to 5,315.32, 7,331.92 and 3,324.24 is: 4,585.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.32 : 7,331.92 = 3,324.24 : x
  2. Step 2: Convert to fraction form
    5,315.32/7,331.92 = 3,324.24/x
  3. Step 3: Cross multiply
    5,315.32x = 7,331.92 × 3,324.24
  4. Step 4: Simplify right side
    5,315.32x = 24,373,053.43
  5. Step 5: Solve for x
    x = 24,373,053.43/5,315.32
  6. Step 6: Final answer
    x = 4,585.43

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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.