Home / 5,201.94-7,178.68-2,844.30

Finding the Fourth Proportional to 5,201.94, 7,178.68 and 2,844.30

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Solution

The fourth proportional to 5,201.94, 7,178.68 and 2,844.30 is: 3,925.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.94 : 7,178.68 = 2,844.30 : x
  2. Step 2: Convert to fraction form
    5,201.94/7,178.68 = 2,844.30/x
  3. Step 3: Cross multiply
    5,201.94x = 7,178.68 × 2,844.30
  4. Step 4: Simplify right side
    5,201.94x = 20,418,319.52
  5. Step 5: Solve for x
    x = 20,418,319.52/5,201.94
  6. Step 6: Final answer
    x = 3,925.14

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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.