Home / 3,098.25-4,275.99-2,153.52

Finding the Fourth Proportional to 3,098.25, 4,275.99 and 2,153.52

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Solution

The fourth proportional to 3,098.25, 4,275.99 and 2,153.52 is: 2,972.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.25 : 4,275.99 = 2,153.52 : x
  2. Step 2: Convert to fraction form
    3,098.25/4,275.99 = 2,153.52/x
  3. Step 3: Cross multiply
    3,098.25x = 4,275.99 × 2,153.52
  4. Step 4: Simplify right side
    3,098.25x = 9,208,429.98
  5. Step 5: Solve for x
    x = 9,208,429.98/3,098.25
  6. Step 6: Final answer
    x = 2,972.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.