Home / 4,179.93-5,768.91-2,387.40

Finding the Fourth Proportional to 4,179.93, 5,768.91 and 2,387.40

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Solution

The fourth proportional to 4,179.93, 5,768.91 and 2,387.40 is: 3,294.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.93 : 5,768.91 = 2,387.40 : x
  2. Step 2: Convert to fraction form
    4,179.93/5,768.91 = 2,387.40/x
  3. Step 3: Cross multiply
    4,179.93x = 5,768.91 × 2,387.40
  4. Step 4: Simplify right side
    4,179.93x = 13,772,695.73
  5. Step 5: Solve for x
    x = 13,772,695.73/4,179.93
  6. Step 6: Final answer
    x = 3,294.96

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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.