Home / 4,682.28-6,454.85-2,888.56

Finding the Fourth Proportional to 4,682.28, 6,454.85 and 2,888.56

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Solution

The fourth proportional to 4,682.28, 6,454.85 and 2,888.56 is: 3,982.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,682.28 : 6,454.85 = 2,888.56 : x
  2. Step 2: Convert to fraction form
    4,682.28/6,454.85 = 2,888.56/x
  3. Step 3: Cross multiply
    4,682.28x = 6,454.85 × 2,888.56
  4. Step 4: Simplify right side
    4,682.28x = 18,645,215.14
  5. Step 5: Solve for x
    x = 18,645,215.14/4,682.28
  6. Step 6: Final answer
    x = 3,982.08

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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.