Home / 2,197.71-3,033.23-1,253.55

Finding the Fourth Proportional to 2,197.71, 3,033.23 and 1,253.55

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Solution

The fourth proportional to 2,197.71, 3,033.23 and 1,253.55 is: 1,730.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.71 : 3,033.23 = 1,253.55 : x
  2. Step 2: Convert to fraction form
    2,197.71/3,033.23 = 1,253.55/x
  3. Step 3: Cross multiply
    2,197.71x = 3,033.23 × 1,253.55
  4. Step 4: Simplify right side
    2,197.71x = 3,802,317.62
  5. Step 5: Solve for x
    x = 3,802,317.62/2,197.71
  6. Step 6: Final answer
    x = 1,730.13

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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.