Home / 1,166.60-1,610.88-1,042.04

Finding the Fourth Proportional to 1,166.60, 1,610.88 and 1,042.04

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Solution

The fourth proportional to 1,166.60, 1,610.88 and 1,042.04 is: 1,438.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.60 : 1,610.88 = 1,042.04 : x
  2. Step 2: Convert to fraction form
    1,166.60/1,610.88 = 1,042.04/x
  3. Step 3: Cross multiply
    1,166.60x = 1,610.88 × 1,042.04
  4. Step 4: Simplify right side
    1,166.60x = 1,678,601.40
  5. Step 5: Solve for x
    x = 1,678,601.40/1,166.60
  6. Step 6: Final answer
    x = 1,438.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.