Home / 5,577.19-8,366.87-2,116.87

Finding the Fourth Proportional to 5,577.19, 8,366.87 and 2,116.87

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Solution

The fourth proportional to 5,577.19, 8,366.87 and 2,116.87 is: 3,175.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.19 : 8,366.87 = 2,116.87 : x
  2. Step 2: Convert to fraction form
    5,577.19/8,366.87 = 2,116.87/x
  3. Step 3: Cross multiply
    5,577.19x = 8,366.87 × 2,116.87
  4. Step 4: Simplify right side
    5,577.19x = 17,711,576.10
  5. Step 5: Solve for x
    x = 17,711,576.10/5,577.19
  6. Step 6: Final answer
    x = 3,175.72

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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.