Home / 5,338.59-7,367.40-2,980.89

Finding the Fourth Proportional to 5,338.59, 7,367.40 and 2,980.89

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Solution

The fourth proportional to 5,338.59, 7,367.40 and 2,980.89 is: 4,113.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.59 : 7,367.40 = 2,980.89 : x
  2. Step 2: Convert to fraction form
    5,338.59/7,367.40 = 2,980.89/x
  3. Step 3: Cross multiply
    5,338.59x = 7,367.40 × 2,980.89
  4. Step 4: Simplify right side
    5,338.59x = 21,961,408.99
  5. Step 5: Solve for x
    x = 21,961,408.99/5,338.59
  6. Step 6: Final answer
    x = 4,113.71

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1.5x scale

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.