Home / 5,554.32-8,332.68-2,091.56

Finding the Fourth Proportional to 5,554.32, 8,332.68 and 2,091.56

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Solution

The fourth proportional to 5,554.32, 8,332.68 and 2,091.56 is: 3,137.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,554.32 : 8,332.68 = 2,091.56 : x
  2. Step 2: Convert to fraction form
    5,554.32/8,332.68 = 2,091.56/x
  3. Step 3: Cross multiply
    5,554.32x = 8,332.68 × 2,091.56
  4. Step 4: Simplify right side
    5,554.32x = 17,428,300.18
  5. Step 5: Solve for x
    x = 17,428,300.18/5,554.32
  6. Step 6: Final answer
    x = 3,137.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.