Home / 4,235.25-5,843.28-2,557.20

Finding the Fourth Proportional to 4,235.25, 5,843.28 and 2,557.20

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Solution

The fourth proportional to 4,235.25, 5,843.28 and 2,557.20 is: 3,528.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,235.25 : 5,843.28 = 2,557.20 : x
  2. Step 2: Convert to fraction form
    4,235.25/5,843.28 = 2,557.20/x
  3. Step 3: Cross multiply
    4,235.25x = 5,843.28 × 2,557.20
  4. Step 4: Simplify right side
    4,235.25x = 14,942,435.62
  5. Step 5: Solve for x
    x = 14,942,435.62/4,235.25
  6. Step 6: Final answer
    x = 3,528.11

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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.