Home / 7,480.82-10,320.63-4,292.96

Finding the Fourth Proportional to 7,480.82, 10,320.63 and 4,292.96

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Solution

The fourth proportional to 7,480.82, 10,320.63 and 4,292.96 is: 5,922.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.82 : 10,320.63 = 4,292.96 : x
  2. Step 2: Convert to fraction form
    7,480.82/10,320.63 = 4,292.96/x
  3. Step 3: Cross multiply
    7,480.82x = 10,320.63 × 4,292.96
  4. Step 4: Simplify right side
    7,480.82x = 44,306,000.16
  5. Step 5: Solve for x
    x = 44,306,000.16/7,480.82
  6. Step 6: Final answer
    x = 5,922.62

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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.