Home / 5,712.77-8,570.05-2,425.88

Finding the Fourth Proportional to 5,712.77, 8,570.05 and 2,425.88

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Solution

The fourth proportional to 5,712.77, 8,570.05 and 2,425.88 is: 3,639.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.77 : 8,570.05 = 2,425.88 : x
  2. Step 2: Convert to fraction form
    5,712.77/8,570.05 = 2,425.88/x
  3. Step 3: Cross multiply
    5,712.77x = 8,570.05 × 2,425.88
  4. Step 4: Simplify right side
    5,712.77x = 20,789,863.98
  5. Step 5: Solve for x
    x = 20,789,863.98/5,712.77
  6. Step 6: Final answer
    x = 3,639.19

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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.