Home / 4,991.06-6,887.68-2,752.88

Finding the Fourth Proportional to 4,991.06, 6,887.68 and 2,752.88

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Solution

The fourth proportional to 4,991.06, 6,887.68 and 2,752.88 is: 3,798.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.06 : 6,887.68 = 2,752.88 : x
  2. Step 2: Convert to fraction form
    4,991.06/6,887.68 = 2,752.88/x
  3. Step 3: Cross multiply
    4,991.06x = 6,887.68 × 2,752.88
  4. Step 4: Simplify right side
    4,991.06x = 18,960,956.52
  5. Step 5: Solve for x
    x = 18,960,956.52/4,991.06
  6. Step 6: Final answer
    x = 3,798.98

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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.