Home / 7,060.81-10,587.85-2,615.43

Finding the Fourth Proportional to 7,060.81, 10,587.85 and 2,615.43

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Solution

The fourth proportional to 7,060.81, 10,587.85 and 2,615.43 is: 3,921.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,060.81 : 10,587.85 = 2,615.43 : x
  2. Step 2: Convert to fraction form
    7,060.81/10,587.85 = 2,615.43/x
  3. Step 3: Cross multiply
    7,060.81x = 10,587.85 × 2,615.43
  4. Step 4: Simplify right side
    7,060.81x = 27,691,780.53
  5. Step 5: Solve for x
    x = 27,691,780.53/7,060.81
  6. Step 6: Final answer
    x = 3,921.90

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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.