Home / 4,732.40-7,087.08-3,188.72

Finding the Fourth Proportional to 4,732.40, 7,087.08 and 3,188.72

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Solution

The fourth proportional to 4,732.40, 7,087.08 and 3,188.72 is: 4,775.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,732.40 : 7,087.08 = 3,188.72 : x
  2. Step 2: Convert to fraction form
    4,732.40/7,087.08 = 3,188.72/x
  3. Step 3: Cross multiply
    4,732.40x = 7,087.08 × 3,188.72
  4. Step 4: Simplify right side
    4,732.40x = 22,598,713.74
  5. Step 5: Solve for x
    x = 22,598,713.74/4,732.40
  6. Step 6: Final answer
    x = 4,775.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.