Home / 7,340.56-10,131.77-4,508.61

Finding the Fourth Proportional to 7,340.56, 10,131.77 and 4,508.61

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Solution

The fourth proportional to 7,340.56, 10,131.77 and 4,508.61 is: 6,222.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.56 : 10,131.77 = 4,508.61 : x
  2. Step 2: Convert to fraction form
    7,340.56/10,131.77 = 4,508.61/x
  3. Step 3: Cross multiply
    7,340.56x = 10,131.77 × 4,508.61
  4. Step 4: Simplify right side
    7,340.56x = 45,680,236.14
  5. Step 5: Solve for x
    x = 45,680,236.14/7,340.56
  6. Step 6: Final answer
    x = 6,222.99

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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.