Home / 4,990.82-6,887.01-2,752.71

Finding the Fourth Proportional to 4,990.82, 6,887.01 and 2,752.71

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Solution

The fourth proportional to 4,990.82, 6,887.01 and 2,752.71 is: 3,798.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.82 : 6,887.01 = 2,752.71 : x
  2. Step 2: Convert to fraction form
    4,990.82/6,887.01 = 2,752.71/x
  3. Step 3: Cross multiply
    4,990.82x = 6,887.01 × 2,752.71
  4. Step 4: Simplify right side
    4,990.82x = 18,957,927.53
  5. Step 5: Solve for x
    x = 18,957,927.53/4,990.82
  6. Step 6: Final answer
    x = 3,798.56

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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.