Home / 6,275.61-8,660.39-3,481.11

Finding the Fourth Proportional to 6,275.61, 8,660.39 and 3,481.11

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Solution

The fourth proportional to 6,275.61, 8,660.39 and 3,481.11 is: 4,803.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,275.61 : 8,660.39 = 3,481.11 : x
  2. Step 2: Convert to fraction form
    6,275.61/8,660.39 = 3,481.11/x
  3. Step 3: Cross multiply
    6,275.61x = 8,660.39 × 3,481.11
  4. Step 4: Simplify right side
    6,275.61x = 30,147,752.83
  5. Step 5: Solve for x
    x = 30,147,752.83/6,275.61
  6. Step 6: Final answer
    x = 4,803.96

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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.