Home / 5,422.56-7,484.08-3,065.44

Finding the Fourth Proportional to 5,422.56, 7,484.08 and 3,065.44

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Solution

The fourth proportional to 5,422.56, 7,484.08 and 3,065.44 is: 4,230.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.56 : 7,484.08 = 3,065.44 : x
  2. Step 2: Convert to fraction form
    5,422.56/7,484.08 = 3,065.44/x
  3. Step 3: Cross multiply
    5,422.56x = 7,484.08 × 3,065.44
  4. Step 4: Simplify right side
    5,422.56x = 22,941,998.20
  5. Step 5: Solve for x
    x = 22,941,998.20/5,422.56
  6. Step 6: Final answer
    x = 4,230.84

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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.