Home / 5,711.12-8,564.51-2,425.76

Finding the Fourth Proportional to 5,711.12, 8,564.51 and 2,425.76

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Solution

The fourth proportional to 5,711.12, 8,564.51 and 2,425.76 is: 3,637.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.12 : 8,564.51 = 2,425.76 : x
  2. Step 2: Convert to fraction form
    5,711.12/8,564.51 = 2,425.76/x
  3. Step 3: Cross multiply
    5,711.12x = 8,564.51 × 2,425.76
  4. Step 4: Simplify right side
    5,711.12x = 20,775,409.02
  5. Step 5: Solve for x
    x = 20,775,409.02/5,711.12
  6. Step 6: Final answer
    x = 3,637.72

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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.