Home / 3,931.11-5,897.37-1,298.76

Finding the Fourth Proportional to 3,931.11, 5,897.37 and 1,298.76

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Solution

The fourth proportional to 3,931.11, 5,897.37 and 1,298.76 is: 1,948.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.11 : 5,897.37 = 1,298.76 : x
  2. Step 2: Convert to fraction form
    3,931.11/5,897.37 = 1,298.76/x
  3. Step 3: Cross multiply
    3,931.11x = 5,897.37 × 1,298.76
  4. Step 4: Simplify right side
    3,931.11x = 7,659,268.26
  5. Step 5: Solve for x
    x = 7,659,268.26/3,931.11
  6. Step 6: Final answer
    x = 1,948.37

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Similar ratio
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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.