Home / 1,117.14-1,541.83-1,067.92

Finding the Fourth Proportional to 1,117.14, 1,541.83 and 1,067.92

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Solution

The fourth proportional to 1,117.14, 1,541.83 and 1,067.92 is: 1,473.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117.14 : 1,541.83 = 1,067.92 : x
  2. Step 2: Convert to fraction form
    1,117.14/1,541.83 = 1,067.92/x
  3. Step 3: Cross multiply
    1,117.14x = 1,541.83 × 1,067.92
  4. Step 4: Simplify right side
    1,117.14x = 1,646,545.75
  5. Step 5: Solve for x
    x = 1,646,545.75/1,117.14
  6. Step 6: Final answer
    x = 1,473.89

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1.5x scale

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.