Home / 5,422.47-7,482.39-3,064.60

Finding the Fourth Proportional to 5,422.47, 7,482.39 and 3,064.60

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Solution

The fourth proportional to 5,422.47, 7,482.39 and 3,064.60 is: 4,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.47 : 7,482.39 = 3,064.60 : x
  2. Step 2: Convert to fraction form
    5,422.47/7,482.39 = 3,064.60/x
  3. Step 3: Cross multiply
    5,422.47x = 7,482.39 × 3,064.60
  4. Step 4: Simplify right side
    5,422.47x = 22,930,517.07
  5. Step 5: Solve for x
    x = 22,930,517.07/5,422.47
  6. Step 6: Final answer
    x = 4,228.80

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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.