Home / 5,267.77-7,899.72-2,146.08

Finding the Fourth Proportional to 5,267.77, 7,899.72 and 2,146.08

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Solution

The fourth proportional to 5,267.77, 7,899.72 and 2,146.08 is: 3,218.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.77 : 7,899.72 = 2,146.08 : x
  2. Step 2: Convert to fraction form
    5,267.77/7,899.72 = 2,146.08/x
  3. Step 3: Cross multiply
    5,267.77x = 7,899.72 × 2,146.08
  4. Step 4: Simplify right side
    5,267.77x = 16,953,452.67
  5. Step 5: Solve for x
    x = 16,953,452.67/5,267.77
  6. Step 6: Final answer
    x = 3,218.34

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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.