Home / 3,697.96-5,103.28-2,125.92

Finding the Fourth Proportional to 3,697.96, 5,103.28 and 2,125.92

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Solution

The fourth proportional to 3,697.96, 5,103.28 and 2,125.92 is: 2,933.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,697.96 : 5,103.28 = 2,125.92 : x
  2. Step 2: Convert to fraction form
    3,697.96/5,103.28 = 2,125.92/x
  3. Step 3: Cross multiply
    3,697.96x = 5,103.28 × 2,125.92
  4. Step 4: Simplify right side
    3,697.96x = 10,849,165.02
  5. Step 5: Solve for x
    x = 10,849,165.02/3,697.96
  6. Step 6: Final answer
    x = 2,933.82

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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.