Home / 7,057.28-10,581.62-3,728.18

Finding the Fourth Proportional to 7,057.28, 10,581.62 and 3,728.18

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Solution

The fourth proportional to 7,057.28, 10,581.62 and 3,728.18 is: 5,590.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,057.28 : 10,581.62 = 3,728.18 : x
  2. Step 2: Convert to fraction form
    7,057.28/10,581.62 = 3,728.18/x
  3. Step 3: Cross multiply
    7,057.28x = 10,581.62 × 3,728.18
  4. Step 4: Simplify right side
    7,057.28x = 39,450,184.05
  5. Step 5: Solve for x
    x = 39,450,184.05/7,057.28
  6. Step 6: Final answer
    x = 5,590.00

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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.