Home / 4,663.30-6,990.56-2,321.09

Finding the Fourth Proportional to 4,663.30, 6,990.56 and 2,321.09

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Solution

The fourth proportional to 4,663.30, 6,990.56 and 2,321.09 is: 3,479.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,663.30 : 6,990.56 = 2,321.09 : x
  2. Step 2: Convert to fraction form
    4,663.30/6,990.56 = 2,321.09/x
  3. Step 3: Cross multiply
    4,663.30x = 6,990.56 × 2,321.09
  4. Step 4: Simplify right side
    4,663.30x = 16,225,726.96
  5. Step 5: Solve for x
    x = 16,225,726.96/4,663.30
  6. Step 6: Final answer
    x = 3,479.45

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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.