Home / 5,324.16-7,966.80-3,133.92

Finding the Fourth Proportional to 5,324.16, 7,966.80 and 3,133.92

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Solution

The fourth proportional to 5,324.16, 7,966.80 and 3,133.92 is: 4,689.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,324.16 : 7,966.80 = 3,133.92 : x
  2. Step 2: Convert to fraction form
    5,324.16/7,966.80 = 3,133.92/x
  3. Step 3: Cross multiply
    5,324.16x = 7,966.80 × 3,133.92
  4. Step 4: Simplify right side
    5,324.16x = 24,967,313.86
  5. Step 5: Solve for x
    x = 24,967,313.86/5,324.16
  6. Step 6: Final answer
    x = 4,689.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.