Home / 2,577.04-3,868.08-1,116.70

Finding the Fourth Proportional to 2,577.04, 3,868.08 and 1,116.70

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Solution

The fourth proportional to 2,577.04, 3,868.08 and 1,116.70 is: 1,676.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.04 : 3,868.08 = 1,116.70 : x
  2. Step 2: Convert to fraction form
    2,577.04/3,868.08 = 1,116.70/x
  3. Step 3: Cross multiply
    2,577.04x = 3,868.08 × 1,116.70
  4. Step 4: Simplify right side
    2,577.04x = 4,319,484.94
  5. Step 5: Solve for x
    x = 4,319,484.94/2,577.04
  6. Step 6: Final answer
    x = 1,676.14

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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.