Home / 3,017.87-4,164.77-1,691.56

Finding the Fourth Proportional to 3,017.87, 4,164.77 and 1,691.56

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Solution

The fourth proportional to 3,017.87, 4,164.77 and 1,691.56 is: 2,334.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.87 : 4,164.77 = 1,691.56 : x
  2. Step 2: Convert to fraction form
    3,017.87/4,164.77 = 1,691.56/x
  3. Step 3: Cross multiply
    3,017.87x = 4,164.77 × 1,691.56
  4. Step 4: Simplify right side
    3,017.87x = 7,044,952.16
  5. Step 5: Solve for x
    x = 7,044,952.16/3,017.87
  6. Step 6: Final answer
    x = 2,334.42

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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.