Home / 5,082.90-7,612.20-2,482.80

Finding the Fourth Proportional to 5,082.90, 7,612.20 and 2,482.80

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Solution

The fourth proportional to 5,082.90, 7,612.20 and 2,482.80 is: 3,718.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.90 : 7,612.20 = 2,482.80 : x
  2. Step 2: Convert to fraction form
    5,082.90/7,612.20 = 2,482.80/x
  3. Step 3: Cross multiply
    5,082.90x = 7,612.20 × 2,482.80
  4. Step 4: Simplify right side
    5,082.90x = 18,899,570.16
  5. Step 5: Solve for x
    x = 18,899,570.16/5,082.90
  6. Step 6: Final answer
    x = 3,718.27

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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.