Home / 5,164.50-7,748.28-2,974.80

Finding the Fourth Proportional to 5,164.50, 7,748.28 and 2,974.80

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Solution

The fourth proportional to 5,164.50, 7,748.28 and 2,974.80 is: 4,463.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.50 : 7,748.28 = 2,974.80 : x
  2. Step 2: Convert to fraction form
    5,164.50/7,748.28 = 2,974.80/x
  3. Step 3: Cross multiply
    5,164.50x = 7,748.28 × 2,974.80
  4. Step 4: Simplify right side
    5,164.50x = 23,049,583.34
  5. Step 5: Solve for x
    x = 23,049,583.34/5,164.50
  6. Step 6: Final answer
    x = 4,463.08

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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.