Home / 3,631.13-5,010.98-1,975.13

Finding the Fourth Proportional to 3,631.13, 5,010.98 and 1,975.13

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Solution

The fourth proportional to 3,631.13, 5,010.98 and 1,975.13 is: 2,725.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.13 : 5,010.98 = 1,975.13 : x
  2. Step 2: Convert to fraction form
    3,631.13/5,010.98 = 1,975.13/x
  3. Step 3: Cross multiply
    3,631.13x = 5,010.98 × 1,975.13
  4. Step 4: Simplify right side
    3,631.13x = 9,897,302.00
  5. Step 5: Solve for x
    x = 9,897,302.00/3,631.13
  6. Step 6: Final answer
    x = 2,725.68

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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.