Home / 2,739.10-4,108.65-1,567.90

Finding the Fourth Proportional to 2,739.10, 4,108.65 and 1,567.90

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Solution

The fourth proportional to 2,739.10, 4,108.65 and 1,567.90 is: 2,351.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.10 : 4,108.65 = 1,567.90 : x
  2. Step 2: Convert to fraction form
    2,739.10/4,108.65 = 1,567.90/x
  3. Step 3: Cross multiply
    2,739.10x = 4,108.65 × 1,567.90
  4. Step 4: Simplify right side
    2,739.10x = 6,441,952.34
  5. Step 5: Solve for x
    x = 6,441,952.34/2,739.10
  6. Step 6: Final answer
    x = 2,351.85

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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.