Home / 4,006.87-5,531.23-2,754.39

Finding the Fourth Proportional to 4,006.87, 5,531.23 and 2,754.39

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Solution

The fourth proportional to 4,006.87, 5,531.23 and 2,754.39 is: 3,802.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,006.87 : 5,531.23 = 2,754.39 : x
  2. Step 2: Convert to fraction form
    4,006.87/5,531.23 = 2,754.39/x
  3. Step 3: Cross multiply
    4,006.87x = 5,531.23 × 2,754.39
  4. Step 4: Simplify right side
    4,006.87x = 15,235,188.78
  5. Step 5: Solve for x
    x = 15,235,188.78/4,006.87
  6. Step 6: Final answer
    x = 3,802.27

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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.