Home / 4,254.72-5,871.51-2,391.72

Finding the Fourth Proportional to 4,254.72, 5,871.51 and 2,391.72

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Solution

The fourth proportional to 4,254.72, 5,871.51 and 2,391.72 is: 3,300.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.72 : 5,871.51 = 2,391.72 : x
  2. Step 2: Convert to fraction form
    4,254.72/5,871.51 = 2,391.72/x
  3. Step 3: Cross multiply
    4,254.72x = 5,871.51 × 2,391.72
  4. Step 4: Simplify right side
    4,254.72x = 14,043,007.90
  5. Step 5: Solve for x
    x = 14,043,007.90/4,254.72
  6. Step 6: Final answer
    x = 3,300.57

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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.