Home / 2,652.59-3,977.94-1,008.70

Finding the Fourth Proportional to 2,652.59, 3,977.94 and 1,008.70

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Solution

The fourth proportional to 2,652.59, 3,977.94 and 1,008.70 is: 1,512.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652.59 : 3,977.94 = 1,008.70 : x
  2. Step 2: Convert to fraction form
    2,652.59/3,977.94 = 1,008.70/x
  3. Step 3: Cross multiply
    2,652.59x = 3,977.94 × 1,008.70
  4. Step 4: Simplify right side
    2,652.59x = 4,012,548.08
  5. Step 5: Solve for x
    x = 4,012,548.08/2,652.59
  6. Step 6: Final answer
    x = 1,512.69

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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.