Home / 4,521.78-6,240.33-2,949.84

Finding the Fourth Proportional to 4,521.78, 6,240.33 and 2,949.84

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Solution

The fourth proportional to 4,521.78, 6,240.33 and 2,949.84 is: 4,070.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,521.78 : 6,240.33 = 2,949.84 : x
  2. Step 2: Convert to fraction form
    4,521.78/6,240.33 = 2,949.84/x
  3. Step 3: Cross multiply
    4,521.78x = 6,240.33 × 2,949.84
  4. Step 4: Simplify right side
    4,521.78x = 18,407,975.05
  5. Step 5: Solve for x
    x = 18,407,975.05/4,521.78
  6. Step 6: Final answer
    x = 4,070.96

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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.