Home / 7,312.71-10,087.20-4,481.35

Finding the Fourth Proportional to 7,312.71, 10,087.20 and 4,481.35

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Solution

The fourth proportional to 7,312.71, 10,087.20 and 4,481.35 is: 6,181.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.71 : 10,087.20 = 4,481.35 : x
  2. Step 2: Convert to fraction form
    7,312.71/10,087.20 = 4,481.35/x
  3. Step 3: Cross multiply
    7,312.71x = 10,087.20 × 4,481.35
  4. Step 4: Simplify right side
    7,312.71x = 45,204,273.72
  5. Step 5: Solve for x
    x = 45,204,273.72/7,312.71
  6. Step 6: Final answer
    x = 6,181.61

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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.