Home / 5,116.13-7,672.50-1,652.57

Finding the Fourth Proportional to 5,116.13, 7,672.50 and 1,652.57

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Solution

The fourth proportional to 5,116.13, 7,672.50 and 1,652.57 is: 2,478.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.13 : 7,672.50 = 1,652.57 : x
  2. Step 2: Convert to fraction form
    5,116.13/7,672.50 = 1,652.57/x
  3. Step 3: Cross multiply
    5,116.13x = 7,672.50 × 1,652.57
  4. Step 4: Simplify right side
    5,116.13x = 12,679,304.96
  5. Step 5: Solve for x
    x = 12,679,304.96/5,116.13
  6. Step 6: Final answer
    x = 2,478.30

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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.