Home / 5,257.60-7,254.54-3,240.28

Finding the Fourth Proportional to 5,257.60, 7,254.54 and 3,240.28

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Solution

The fourth proportional to 5,257.60, 7,254.54 and 3,240.28 is: 4,471.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.60 : 7,254.54 = 3,240.28 : x
  2. Step 2: Convert to fraction form
    5,257.60/7,254.54 = 3,240.28/x
  3. Step 3: Cross multiply
    5,257.60x = 7,254.54 × 3,240.28
  4. Step 4: Simplify right side
    5,257.60x = 23,506,740.87
  5. Step 5: Solve for x
    x = 23,506,740.87/5,257.60
  6. Step 6: Final answer
    x = 4,471.00

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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.