Home / 3,768.32-5,199.23-2,196.11

Finding the Fourth Proportional to 3,768.32, 5,199.23 and 2,196.11

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Solution

The fourth proportional to 3,768.32, 5,199.23 and 2,196.11 is: 3,030.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.32 : 5,199.23 = 2,196.11 : x
  2. Step 2: Convert to fraction form
    3,768.32/5,199.23 = 2,196.11/x
  3. Step 3: Cross multiply
    3,768.32x = 5,199.23 × 2,196.11
  4. Step 4: Simplify right side
    3,768.32x = 11,418,083.01
  5. Step 5: Solve for x
    x = 11,418,083.01/3,768.32
  6. Step 6: Final answer
    x = 3,030.02

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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.