Home / 5,388.56-7,436.39-3,264.49

Finding the Fourth Proportional to 5,388.56, 7,436.39 and 3,264.49

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Solution

The fourth proportional to 5,388.56, 7,436.39 and 3,264.49 is: 4,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.56 : 7,436.39 = 3,264.49 : x
  2. Step 2: Convert to fraction form
    5,388.56/7,436.39 = 3,264.49/x
  3. Step 3: Cross multiply
    5,388.56x = 7,436.39 × 3,264.49
  4. Step 4: Simplify right side
    5,388.56x = 24,276,020.79
  5. Step 5: Solve for x
    x = 24,276,020.79/5,388.56
  6. Step 6: Final answer
    x = 4,505.10

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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.