Home / 1,177.92-1,758.56-1,015.52

Finding the Fourth Proportional to 1,177.92, 1,758.56 and 1,015.52

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Solution

The fourth proportional to 1,177.92, 1,758.56 and 1,015.52 is: 1,516.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.92 : 1,758.56 = 1,015.52 : x
  2. Step 2: Convert to fraction form
    1,177.92/1,758.56 = 1,015.52/x
  3. Step 3: Cross multiply
    1,177.92x = 1,758.56 × 1,015.52
  4. Step 4: Simplify right side
    1,177.92x = 1,785,852.85
  5. Step 5: Solve for x
    x = 1,785,852.85/1,177.92
  6. Step 6: Final answer
    x = 1,516.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.