Home / 4,255.47-5,871.90-2,392.11

Finding the Fourth Proportional to 4,255.47, 5,871.90 and 2,392.11

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Solution

The fourth proportional to 4,255.47, 5,871.90 and 2,392.11 is: 3,300.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.47 : 5,871.90 = 2,392.11 : x
  2. Step 2: Convert to fraction form
    4,255.47/5,871.90 = 2,392.11/x
  3. Step 3: Cross multiply
    4,255.47x = 5,871.90 × 2,392.11
  4. Step 4: Simplify right side
    4,255.47x = 14,046,230.71
  5. Step 5: Solve for x
    x = 14,046,230.71/4,255.47
  6. Step 6: Final answer
    x = 3,300.75

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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.