Home / 1,514.52-2,084.88-1,120.80

Finding the Fourth Proportional to 1,514.52, 2,084.88 and 1,120.80

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Solution

The fourth proportional to 1,514.52, 2,084.88 and 1,120.80 is: 1,542.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514.52 : 2,084.88 = 1,120.80 : x
  2. Step 2: Convert to fraction form
    1,514.52/2,084.88 = 1,120.80/x
  3. Step 3: Cross multiply
    1,514.52x = 2,084.88 × 1,120.80
  4. Step 4: Simplify right side
    1,514.52x = 2,336,733.50
  5. Step 5: Solve for x
    x = 2,336,733.50/1,514.52
  6. Step 6: Final answer
    x = 1,542.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.