Home / 7,221.87-10,837.05-3,061.56

Finding the Fourth Proportional to 7,221.87, 10,837.05 and 3,061.56

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Solution

The fourth proportional to 7,221.87, 10,837.05 and 3,061.56 is: 4,594.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221.87 : 10,837.05 = 3,061.56 : x
  2. Step 2: Convert to fraction form
    7,221.87/10,837.05 = 3,061.56/x
  3. Step 3: Cross multiply
    7,221.87x = 10,837.05 × 3,061.56
  4. Step 4: Simplify right side
    7,221.87x = 33,178,278.80
  5. Step 5: Solve for x
    x = 33,178,278.80/7,221.87
  6. Step 6: Final answer
    x = 4,594.14

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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.