Home / 5,266.60-7,267.85-2,908.58

Finding the Fourth Proportional to 5,266.60, 7,267.85 and 2,908.58

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Solution

The fourth proportional to 5,266.60, 7,267.85 and 2,908.58 is: 4,013.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.60 : 7,267.85 = 2,908.58 : x
  2. Step 2: Convert to fraction form
    5,266.60/7,267.85 = 2,908.58/x
  3. Step 3: Cross multiply
    5,266.60x = 7,267.85 × 2,908.58
  4. Step 4: Simplify right side
    5,266.60x = 21,139,123.15
  5. Step 5: Solve for x
    x = 21,139,123.15/5,266.60
  6. Step 6: Final answer
    x = 4,013.81

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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.