Home / 5,015.89-6,920.06-3,248.47

Finding the Fourth Proportional to 5,015.89, 6,920.06 and 3,248.47

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Solution

The fourth proportional to 5,015.89, 6,920.06 and 3,248.47 is: 4,481.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.89 : 6,920.06 = 3,248.47 : x
  2. Step 2: Convert to fraction form
    5,015.89/6,920.06 = 3,248.47/x
  3. Step 3: Cross multiply
    5,015.89x = 6,920.06 × 3,248.47
  4. Step 4: Simplify right side
    5,015.89x = 22,479,580.83
  5. Step 5: Solve for x
    x = 22,479,580.83/5,015.89
  6. Step 6: Final answer
    x = 4,481.68

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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.