Home / 1,516.18-2,092.30-853.01

Finding the Fourth Proportional to 1,516.18, 2,092.30 and 853.01

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Solution

The fourth proportional to 1,516.18, 2,092.30 and 853.01 is: 1,177.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.18 : 2,092.30 = 853.01 : x
  2. Step 2: Convert to fraction form
    1,516.18/2,092.30 = 853.01/x
  3. Step 3: Cross multiply
    1,516.18x = 2,092.30 × 853.01
  4. Step 4: Simplify right side
    1,516.18x = 1,784,752.82
  5. Step 5: Solve for x
    x = 1,784,752.82/1,516.18
  6. Step 6: Final answer
    x = 1,177.14

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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.