Home / 7,255.85-10,884.75-2,872.29

Finding the Fourth Proportional to 7,255.85, 10,884.75 and 2,872.29

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Solution

The fourth proportional to 7,255.85, 10,884.75 and 2,872.29 is: 4,308.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255.85 : 10,884.75 = 2,872.29 : x
  2. Step 2: Convert to fraction form
    7,255.85/10,884.75 = 2,872.29/x
  3. Step 3: Cross multiply
    7,255.85x = 10,884.75 × 2,872.29
  4. Step 4: Simplify right side
    7,255.85x = 31,264,102.84
  5. Step 5: Solve for x
    x = 31,264,102.84/7,255.85
  6. Step 6: Final answer
    x = 4,308.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.