Home / 7,308.75-10,087.88-4,475.61

Finding the Fourth Proportional to 7,308.75, 10,087.88 and 4,475.61

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Solution

The fourth proportional to 7,308.75, 10,087.88 and 4,475.61 is: 6,177.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.75 : 10,087.88 = 4,475.61 : x
  2. Step 2: Convert to fraction form
    7,308.75/10,087.88 = 4,475.61/x
  3. Step 3: Cross multiply
    7,308.75x = 10,087.88 × 4,475.61
  4. Step 4: Simplify right side
    7,308.75x = 45,149,369.01
  5. Step 5: Solve for x
    x = 45,149,369.01/7,308.75
  6. Step 6: Final answer
    x = 6,177.44

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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.