Home / 7,608.48-10,500.20-4,251.28

Finding the Fourth Proportional to 7,608.48, 10,500.20 and 4,251.28

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Solution

The fourth proportional to 7,608.48, 10,500.20 and 4,251.28 is: 5,867.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,608.48 : 10,500.20 = 4,251.28 : x
  2. Step 2: Convert to fraction form
    7,608.48/10,500.20 = 4,251.28/x
  3. Step 3: Cross multiply
    7,608.48x = 10,500.20 × 4,251.28
  4. Step 4: Simplify right side
    7,608.48x = 44,639,290.26
  5. Step 5: Solve for x
    x = 44,639,290.26/7,608.48
  6. Step 6: Final answer
    x = 5,867.04

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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.