Home / 7,331.18-10,116.96-3,974.00

Finding the Fourth Proportional to 7,331.18, 10,116.96 and 3,974.00

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Solution

The fourth proportional to 7,331.18, 10,116.96 and 3,974.00 is: 5,484.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.18 : 10,116.96 = 3,974.00 : x
  2. Step 2: Convert to fraction form
    7,331.18/10,116.96 = 3,974.00/x
  3. Step 3: Cross multiply
    7,331.18x = 10,116.96 × 3,974.00
  4. Step 4: Simplify right side
    7,331.18x = 40,204,748.46
  5. Step 5: Solve for x
    x = 40,204,748.46/7,331.18
  6. Step 6: Final answer
    x = 5,484.08

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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.