Home / 3,776.30-5,211.36-2,097.86

Finding the Fourth Proportional to 3,776.30, 5,211.36 and 2,097.86

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Solution

The fourth proportional to 3,776.30, 5,211.36 and 2,097.86 is: 2,895.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.30 : 5,211.36 = 2,097.86 : x
  2. Step 2: Convert to fraction form
    3,776.30/5,211.36 = 2,097.86/x
  3. Step 3: Cross multiply
    3,776.30x = 5,211.36 × 2,097.86
  4. Step 4: Simplify right side
    3,776.30x = 10,932,697.18
  5. Step 5: Solve for x
    x = 10,932,697.18/3,776.30
  6. Step 6: Final answer
    x = 2,895.08

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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.