Home / 4,269.12-5,889.60-2,872.32

Finding the Fourth Proportional to 4,269.12, 5,889.60 and 2,872.32

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Solution

The fourth proportional to 4,269.12, 5,889.60 and 2,872.32 is: 3,962.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269.12 : 5,889.60 = 2,872.32 : x
  2. Step 2: Convert to fraction form
    4,269.12/5,889.60 = 2,872.32/x
  3. Step 3: Cross multiply
    4,269.12x = 5,889.60 × 2,872.32
  4. Step 4: Simplify right side
    4,269.12x = 16,916,815.87
  5. Step 5: Solve for x
    x = 16,916,815.87/4,269.12
  6. Step 6: Final answer
    x = 3,962.60

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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.