Home / 2,255.49-3,398.28-2,036.37

Finding the Fourth Proportional to 2,255.49, 3,398.28 and 2,036.37

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Solution

The fourth proportional to 2,255.49, 3,398.28 and 2,036.37 is: 3,068.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.49 : 3,398.28 = 2,036.37 : x
  2. Step 2: Convert to fraction form
    2,255.49/3,398.28 = 2,036.37/x
  3. Step 3: Cross multiply
    2,255.49x = 3,398.28 × 2,036.37
  4. Step 4: Simplify right side
    2,255.49x = 6,920,142.70
  5. Step 5: Solve for x
    x = 6,920,142.70/2,255.49
  6. Step 6: Final answer
    x = 3,068.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.