Home / 2,652.12-3,977.85-704.46

Finding the Fourth Proportional to 2,652.12, 3,977.85 and 704.46

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Solution

The fourth proportional to 2,652.12, 3,977.85 and 704.46 is: 1,056.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652.12 : 3,977.85 = 704.46 : x
  2. Step 2: Convert to fraction form
    2,652.12/3,977.85 = 704.46/x
  3. Step 3: Cross multiply
    2,652.12x = 3,977.85 × 704.46
  4. Step 4: Simplify right side
    2,652.12x = 2,802,236.21
  5. Step 5: Solve for x
    x = 2,802,236.21/2,652.12
  6. Step 6: Final answer
    x = 1,056.60

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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.