Home / 4,355.31-6,012.82-2,867.55

Finding the Fourth Proportional to 4,355.31, 6,012.82 and 2,867.55

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Solution

The fourth proportional to 4,355.31, 6,012.82 and 2,867.55 is: 3,958.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,355.31 : 6,012.82 = 2,867.55 : x
  2. Step 2: Convert to fraction form
    4,355.31/6,012.82 = 2,867.55/x
  3. Step 3: Cross multiply
    4,355.31x = 6,012.82 × 2,867.55
  4. Step 4: Simplify right side
    4,355.31x = 17,242,101.83
  5. Step 5: Solve for x
    x = 17,242,101.83/4,355.31
  6. Step 6: Final answer
    x = 3,958.87

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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.