Home / 4,990.62-6,886.91-2,752.49

Finding the Fourth Proportional to 4,990.62, 6,886.91 and 2,752.49

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Solution

The fourth proportional to 4,990.62, 6,886.91 and 2,752.49 is: 3,798.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.62 : 6,886.91 = 2,752.49 : x
  2. Step 2: Convert to fraction form
    4,990.62/6,886.91 = 2,752.49/x
  3. Step 3: Cross multiply
    4,990.62x = 6,886.91 × 2,752.49
  4. Step 4: Simplify right side
    4,990.62x = 18,956,150.91
  5. Step 5: Solve for x
    x = 18,956,150.91/4,990.62
  6. Step 6: Final answer
    x = 3,798.36

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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.