Home / 4,991.61-6,888.06-2,753.46

Finding the Fourth Proportional to 4,991.61, 6,888.06 and 2,753.46

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Solution

The fourth proportional to 4,991.61, 6,888.06 and 2,753.46 is: 3,799.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.61 : 6,888.06 = 2,753.46 : x
  2. Step 2: Convert to fraction form
    4,991.61/6,888.06 = 2,753.46/x
  3. Step 3: Cross multiply
    4,991.61x = 6,888.06 × 2,753.46
  4. Step 4: Simplify right side
    4,991.61x = 18,965,997.69
  5. Step 5: Solve for x
    x = 18,965,997.69/4,991.61
  6. Step 6: Final answer
    x = 3,799.58

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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.