Home / 5,110.44-7,052.30-2,872.32

Finding the Fourth Proportional to 5,110.44, 7,052.30 and 2,872.32

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Solution

The fourth proportional to 5,110.44, 7,052.30 and 2,872.32 is: 3,963.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.44 : 7,052.30 = 2,872.32 : x
  2. Step 2: Convert to fraction form
    5,110.44/7,052.30 = 2,872.32/x
  3. Step 3: Cross multiply
    5,110.44x = 7,052.30 × 2,872.32
  4. Step 4: Simplify right side
    5,110.44x = 20,256,462.34
  5. Step 5: Solve for x
    x = 20,256,462.34/5,110.44
  6. Step 6: Final answer
    x = 3,963.74

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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.