Home / 7,228.73-10,845.27-3,432.28

Finding the Fourth Proportional to 7,228.73, 10,845.27 and 3,432.28

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Solution

The fourth proportional to 7,228.73, 10,845.27 and 3,432.28 is: 5,149.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228.73 : 10,845.27 = 3,432.28 : x
  2. Step 2: Convert to fraction form
    7,228.73/10,845.27 = 3,432.28/x
  3. Step 3: Cross multiply
    7,228.73x = 10,845.27 × 3,432.28
  4. Step 4: Simplify right side
    7,228.73x = 37,224,003.32
  5. Step 5: Solve for x
    x = 37,224,003.32/7,228.73
  6. Step 6: Final answer
    x = 5,149.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.