Home / 2,862.54-3,949.36-1,743.12

Finding the Fourth Proportional to 2,862.54, 3,949.36 and 1,743.12

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Solution

The fourth proportional to 2,862.54, 3,949.36 and 1,743.12 is: 2,404.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.54 : 3,949.36 = 1,743.12 : x
  2. Step 2: Convert to fraction form
    2,862.54/3,949.36 = 1,743.12/x
  3. Step 3: Cross multiply
    2,862.54x = 3,949.36 × 1,743.12
  4. Step 4: Simplify right side
    2,862.54x = 6,884,204.05
  5. Step 5: Solve for x
    x = 6,884,204.05/2,862.54
  6. Step 6: Final answer
    x = 2,404.93

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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.