Home / 5,523.16-7,620.10-3,132.88

Finding the Fourth Proportional to 5,523.16, 7,620.10 and 3,132.88

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Solution

The fourth proportional to 5,523.16, 7,620.10 and 3,132.88 is: 4,322.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,523.16 : 7,620.10 = 3,132.88 : x
  2. Step 2: Convert to fraction form
    5,523.16/7,620.10 = 3,132.88/x
  3. Step 3: Cross multiply
    5,523.16x = 7,620.10 × 3,132.88
  4. Step 4: Simplify right side
    5,523.16x = 23,872,840.82
  5. Step 5: Solve for x
    x = 23,872,840.82/5,523.16
  6. Step 6: Final answer
    x = 4,322.31

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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.