Home / 1,475.01-2,036.82-1,078.92

Finding the Fourth Proportional to 1,475.01, 2,036.82 and 1,078.92

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Solution

The fourth proportional to 1,475.01, 2,036.82 and 1,078.92 is: 1,489.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.01 : 2,036.82 = 1,078.92 : x
  2. Step 2: Convert to fraction form
    1,475.01/2,036.82 = 1,078.92/x
  3. Step 3: Cross multiply
    1,475.01x = 2,036.82 × 1,078.92
  4. Step 4: Simplify right side
    1,475.01x = 2,197,565.83
  5. Step 5: Solve for x
    x = 2,197,565.83/1,475.01
  6. Step 6: Final answer
    x = 1,489.87

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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.