Home / 3,167.69-4,372.47-2,174.45

Finding the Fourth Proportional to 3,167.69, 4,372.47 and 2,174.45

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Solution

The fourth proportional to 3,167.69, 4,372.47 and 2,174.45 is: 3,001.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.69 : 4,372.47 = 2,174.45 : x
  2. Step 2: Convert to fraction form
    3,167.69/4,372.47 = 2,174.45/x
  3. Step 3: Cross multiply
    3,167.69x = 4,372.47 × 2,174.45
  4. Step 4: Simplify right side
    3,167.69x = 9,507,695.53
  5. Step 5: Solve for x
    x = 9,507,695.53/3,167.69
  6. Step 6: Final answer
    x = 3,001.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.