Home / 1,516.24-2,092.38-853.08

Finding the Fourth Proportional to 1,516.24, 2,092.38 and 853.08

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Solution

The fourth proportional to 1,516.24, 2,092.38 and 853.08 is: 1,177.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.24 : 2,092.38 = 853.08 : x
  2. Step 2: Convert to fraction form
    1,516.24/2,092.38 = 853.08/x
  3. Step 3: Cross multiply
    1,516.24x = 2,092.38 × 853.08
  4. Step 4: Simplify right side
    1,516.24x = 1,784,967.53
  5. Step 5: Solve for x
    x = 1,784,967.53/1,516.24
  6. Step 6: Final answer
    x = 1,177.23

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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.