Home / 3,400.25-5,101.47-1,667.66

Finding the Fourth Proportional to 3,400.25, 5,101.47 and 1,667.66

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Solution

The fourth proportional to 3,400.25, 5,101.47 and 1,667.66 is: 2,502.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.25 : 5,101.47 = 1,667.66 : x
  2. Step 2: Convert to fraction form
    3,400.25/5,101.47 = 1,667.66/x
  3. Step 3: Cross multiply
    3,400.25x = 5,101.47 × 1,667.66
  4. Step 4: Simplify right side
    3,400.25x = 8,507,491.95
  5. Step 5: Solve for x
    x = 8,507,491.95/3,400.25
  6. Step 6: Final answer
    x = 2,502.02

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1.5x scale

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.