Home / 5,817.28-8,731.20-2,901.76

Finding the Fourth Proportional to 5,817.28, 8,731.20 and 2,901.76

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Solution

The fourth proportional to 5,817.28, 8,731.20 and 2,901.76 is: 4,355.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817.28 : 8,731.20 = 2,901.76 : x
  2. Step 2: Convert to fraction form
    5,817.28/8,731.20 = 2,901.76/x
  3. Step 3: Cross multiply
    5,817.28x = 8,731.20 × 2,901.76
  4. Step 4: Simplify right side
    5,817.28x = 25,335,846.91
  5. Step 5: Solve for x
    x = 25,335,846.91/5,817.28
  6. Step 6: Final answer
    x = 4,355.27

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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.