Home / 5,034.88-7,549.62-2,112.40

Finding the Fourth Proportional to 5,034.88, 7,549.62 and 2,112.40

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Solution

The fourth proportional to 5,034.88, 7,549.62 and 2,112.40 is: 3,167.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,034.88 : 7,549.62 = 2,112.40 : x
  2. Step 2: Convert to fraction form
    5,034.88/7,549.62 = 2,112.40/x
  3. Step 3: Cross multiply
    5,034.88x = 7,549.62 × 2,112.40
  4. Step 4: Simplify right side
    5,034.88x = 15,947,817.29
  5. Step 5: Solve for x
    x = 15,947,817.29/5,034.88
  6. Step 6: Final answer
    x = 3,167.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.