Home / 3,999.74-5,519.93-2,322.11

Finding the Fourth Proportional to 3,999.74, 5,519.93 and 2,322.11

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Solution

The fourth proportional to 3,999.74, 5,519.93 and 2,322.11 is: 3,204.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.74 : 5,519.93 = 2,322.11 : x
  2. Step 2: Convert to fraction form
    3,999.74/5,519.93 = 2,322.11/x
  3. Step 3: Cross multiply
    3,999.74x = 5,519.93 × 2,322.11
  4. Step 4: Simplify right side
    3,999.74x = 12,817,886.84
  5. Step 5: Solve for x
    x = 12,817,886.84/3,999.74
  6. Step 6: Final answer
    x = 3,204.68

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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.