Home / 4,039.61-5,574.97-2,271.48

Finding the Fourth Proportional to 4,039.61, 5,574.97 and 2,271.48

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Solution

The fourth proportional to 4,039.61, 5,574.97 and 2,271.48 is: 3,134.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039.61 : 5,574.97 = 2,271.48 : x
  2. Step 2: Convert to fraction form
    4,039.61/5,574.97 = 2,271.48/x
  3. Step 3: Cross multiply
    4,039.61x = 5,574.97 × 2,271.48
  4. Step 4: Simplify right side
    4,039.61x = 12,663,446.15
  5. Step 5: Solve for x
    x = 12,663,446.15/4,039.61
  6. Step 6: Final answer
    x = 3,134.82

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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.