Home / 7,292.20-10,061.94-4,148.20

Finding the Fourth Proportional to 7,292.20, 10,061.94 and 4,148.20

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Solution

The fourth proportional to 7,292.20, 10,061.94 and 4,148.20 is: 5,723.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,292.20 : 10,061.94 = 4,148.20 : x
  2. Step 2: Convert to fraction form
    7,292.20/10,061.94 = 4,148.20/x
  3. Step 3: Cross multiply
    7,292.20x = 10,061.94 × 4,148.20
  4. Step 4: Simplify right side
    7,292.20x = 41,738,939.51
  5. Step 5: Solve for x
    x = 41,738,939.51/7,292.20
  6. Step 6: Final answer
    x = 5,723.78

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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.