Home / 4,148.58-5,724.84-2,378.88

Finding the Fourth Proportional to 4,148.58, 5,724.84 and 2,378.88

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Solution

The fourth proportional to 4,148.58, 5,724.84 and 2,378.88 is: 3,282.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.58 : 5,724.84 = 2,378.88 : x
  2. Step 2: Convert to fraction form
    4,148.58/5,724.84 = 2,378.88/x
  3. Step 3: Cross multiply
    4,148.58x = 5,724.84 × 2,378.88
  4. Step 4: Simplify right side
    4,148.58x = 13,618,707.38
  5. Step 5: Solve for x
    x = 13,618,707.38/4,148.58
  6. Step 6: Final answer
    x = 3,282.74

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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.