Home / 5,707.52-7,876.40-3,349.72

Finding the Fourth Proportional to 5,707.52, 7,876.40 and 3,349.72

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Solution

The fourth proportional to 5,707.52, 7,876.40 and 3,349.72 is: 4,622.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,707.52 : 7,876.40 = 3,349.72 : x
  2. Step 2: Convert to fraction form
    5,707.52/7,876.40 = 3,349.72/x
  3. Step 3: Cross multiply
    5,707.52x = 7,876.40 × 3,349.72
  4. Step 4: Simplify right side
    5,707.52x = 26,383,734.61
  5. Step 5: Solve for x
    x = 26,383,734.61/5,707.52
  6. Step 6: Final answer
    x = 4,622.63

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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.