Home / 2,710.70-4,066.05-2,681.90

Finding the Fourth Proportional to 2,710.70, 4,066.05 and 2,681.90

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Solution

The fourth proportional to 2,710.70, 4,066.05 and 2,681.90 is: 4,022.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710.70 : 4,066.05 = 2,681.90 : x
  2. Step 2: Convert to fraction form
    2,710.70/4,066.05 = 2,681.90/x
  3. Step 3: Cross multiply
    2,710.70x = 4,066.05 × 2,681.90
  4. Step 4: Simplify right side
    2,710.70x = 10,904,739.50
  5. Step 5: Solve for x
    x = 10,904,739.50/2,710.70
  6. Step 6: Final answer
    x = 4,022.85

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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.