Home / 3,505.98-5,257.44-1,862.13

Finding the Fourth Proportional to 3,505.98, 5,257.44 and 1,862.13

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Solution

The fourth proportional to 3,505.98, 5,257.44 and 1,862.13 is: 2,792.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.98 : 5,257.44 = 1,862.13 : x
  2. Step 2: Convert to fraction form
    3,505.98/5,257.44 = 1,862.13/x
  3. Step 3: Cross multiply
    3,505.98x = 5,257.44 × 1,862.13
  4. Step 4: Simplify right side
    3,505.98x = 9,790,036.75
  5. Step 5: Solve for x
    x = 9,790,036.75/3,505.98
  6. Step 6: Final answer
    x = 2,792.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.