Home / 4,456.24-6,685.89-1,992.76

Finding the Fourth Proportional to 4,456.24, 6,685.89 and 1,992.76

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Solution

The fourth proportional to 4,456.24, 6,685.89 and 1,992.76 is: 2,989.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,456.24 : 6,685.89 = 1,992.76 : x
  2. Step 2: Convert to fraction form
    4,456.24/6,685.89 = 1,992.76/x
  3. Step 3: Cross multiply
    4,456.24x = 6,685.89 × 1,992.76
  4. Step 4: Simplify right side
    4,456.24x = 13,323,374.16
  5. Step 5: Solve for x
    x = 13,323,374.16/4,456.24
  6. Step 6: Final answer
    x = 2,989.82

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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.