Home / 1,191.32-1,785.38-1,036.52

Finding the Fourth Proportional to 1,191.32, 1,785.38 and 1,036.52

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Solution

The fourth proportional to 1,191.32, 1,785.38 and 1,036.52 is: 1,553.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191.32 : 1,785.38 = 1,036.52 : x
  2. Step 2: Convert to fraction form
    1,191.32/1,785.38 = 1,036.52/x
  3. Step 3: Cross multiply
    1,191.32x = 1,785.38 × 1,036.52
  4. Step 4: Simplify right side
    1,191.32x = 1,850,582.08
  5. Step 5: Solve for x
    x = 1,850,582.08/1,191.32
  6. Step 6: Final answer
    x = 1,553.39

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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.