Home / 5,375.46-8,061.74-1,480.08

Finding the Fourth Proportional to 5,375.46, 8,061.74 and 1,480.08

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Solution

The fourth proportional to 5,375.46, 8,061.74 and 1,480.08 is: 2,219.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.46 : 8,061.74 = 1,480.08 : x
  2. Step 2: Convert to fraction form
    5,375.46/8,061.74 = 1,480.08/x
  3. Step 3: Cross multiply
    5,375.46x = 8,061.74 × 1,480.08
  4. Step 4: Simplify right side
    5,375.46x = 11,932,020.14
  5. Step 5: Solve for x
    x = 11,932,020.14/5,375.46
  6. Step 6: Final answer
    x = 2,219.72

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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.