Home / 3,866.11-5,335.08-2,097.65

Finding the Fourth Proportional to 3,866.11, 5,335.08 and 2,097.65

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Solution

The fourth proportional to 3,866.11, 5,335.08 and 2,097.65 is: 2,894.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,866.11 : 5,335.08 = 2,097.65 : x
  2. Step 2: Convert to fraction form
    3,866.11/5,335.08 = 2,097.65/x
  3. Step 3: Cross multiply
    3,866.11x = 5,335.08 × 2,097.65
  4. Step 4: Simplify right side
    3,866.11x = 11,191,130.56
  5. Step 5: Solve for x
    x = 11,191,130.56/3,866.11
  6. Step 6: Final answer
    x = 2,894.67

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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.