Home / 5,255.50-7,252.59-2,865.46

Finding the Fourth Proportional to 5,255.50, 7,252.59 and 2,865.46

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Solution

The fourth proportional to 5,255.50, 7,252.59 and 2,865.46 is: 3,954.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.50 : 7,252.59 = 2,865.46 : x
  2. Step 2: Convert to fraction form
    5,255.50/7,252.59 = 2,865.46/x
  3. Step 3: Cross multiply
    5,255.50x = 7,252.59 × 2,865.46
  4. Step 4: Simplify right side
    5,255.50x = 20,781,970.28
  5. Step 5: Solve for x
    x = 20,781,970.28/5,255.50
  6. Step 6: Final answer
    x = 3,954.33

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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.