Home / 1,176.10-1,761.38-932.76

Finding the Fourth Proportional to 1,176.10, 1,761.38 and 932.76

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Solution

The fourth proportional to 1,176.10, 1,761.38 and 932.76 is: 1,396.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176.10 : 1,761.38 = 932.76 : x
  2. Step 2: Convert to fraction form
    1,176.10/1,761.38 = 932.76/x
  3. Step 3: Cross multiply
    1,176.10x = 1,761.38 × 932.76
  4. Step 4: Simplify right side
    1,176.10x = 1,642,944.81
  5. Step 5: Solve for x
    x = 1,642,944.81/1,176.10
  6. Step 6: Final answer
    x = 1,396.94

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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.