Home / 7,252.80-10,015.38-5,481.33

Finding the Fourth Proportional to 7,252.80, 10,015.38 and 5,481.33

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Solution

The fourth proportional to 7,252.80, 10,015.38 and 5,481.33 is: 7,569.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,252.80 : 10,015.38 = 5,481.33 : x
  2. Step 2: Convert to fraction form
    7,252.80/10,015.38 = 5,481.33/x
  3. Step 3: Cross multiply
    7,252.80x = 10,015.38 × 5,481.33
  4. Step 4: Simplify right side
    7,252.80x = 54,897,602.86
  5. Step 5: Solve for x
    x = 54,897,602.86/7,252.80
  6. Step 6: Final answer
    x = 7,569.16

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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.