Home / 5,077.02-7,006.12-2,839.14

Finding the Fourth Proportional to 5,077.02, 7,006.12 and 2,839.14

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Solution

The fourth proportional to 5,077.02, 7,006.12 and 2,839.14 is: 3,917.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.02 : 7,006.12 = 2,839.14 : x
  2. Step 2: Convert to fraction form
    5,077.02/7,006.12 = 2,839.14/x
  3. Step 3: Cross multiply
    5,077.02x = 7,006.12 × 2,839.14
  4. Step 4: Simplify right side
    5,077.02x = 19,891,348.44
  5. Step 5: Solve for x
    x = 19,891,348.44/5,077.02
  6. Step 6: Final answer
    x = 3,917.92

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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.