Home / 1,516.17-2,092.40-853.07

Finding the Fourth Proportional to 1,516.17, 2,092.40 and 853.07

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Solution

The fourth proportional to 1,516.17, 2,092.40 and 853.07 is: 1,177.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.17 : 2,092.40 = 853.07 : x
  2. Step 2: Convert to fraction form
    1,516.17/2,092.40 = 853.07/x
  3. Step 3: Cross multiply
    1,516.17x = 2,092.40 × 853.07
  4. Step 4: Simplify right side
    1,516.17x = 1,784,963.67
  5. Step 5: Solve for x
    x = 1,784,963.67/1,516.17
  6. Step 6: Final answer
    x = 1,177.28

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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.