Home / 3,098.28-4,625.25-2,990.28

Finding the Fourth Proportional to 3,098.28, 4,625.25 and 2,990.28

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Solution

The fourth proportional to 3,098.28, 4,625.25 and 2,990.28 is: 4,464.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.28 : 4,625.25 = 2,990.28 : x
  2. Step 2: Convert to fraction form
    3,098.28/4,625.25 = 2,990.28/x
  3. Step 3: Cross multiply
    3,098.28x = 4,625.25 × 2,990.28
  4. Step 4: Simplify right side
    3,098.28x = 13,830,792.57
  5. Step 5: Solve for x
    x = 13,830,792.57/3,098.28
  6. Step 6: Final answer
    x = 4,464.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.