Home / 5,201.53-7,177.98-2,843.68

Finding the Fourth Proportional to 5,201.53, 7,177.98 and 2,843.68

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Solution

The fourth proportional to 5,201.53, 7,177.98 and 2,843.68 is: 3,924.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.53 : 7,177.98 = 2,843.68 : x
  2. Step 2: Convert to fraction form
    5,201.53/7,177.98 = 2,843.68/x
  3. Step 3: Cross multiply
    5,201.53x = 7,177.98 × 2,843.68
  4. Step 4: Simplify right side
    5,201.53x = 20,411,878.17
  5. Step 5: Solve for x
    x = 20,411,878.17/5,201.53
  6. Step 6: Final answer
    x = 3,924.21

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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.