Home / 5,338.96-7,368.60-3,100.84

Finding the Fourth Proportional to 5,338.96, 7,368.60 and 3,100.84

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Solution

The fourth proportional to 5,338.96, 7,368.60 and 3,100.84 is: 4,279.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.96 : 7,368.60 = 3,100.84 : x
  2. Step 2: Convert to fraction form
    5,338.96/7,368.60 = 3,100.84/x
  3. Step 3: Cross multiply
    5,338.96x = 7,368.60 × 3,100.84
  4. Step 4: Simplify right side
    5,338.96x = 22,848,849.62
  5. Step 5: Solve for x
    x = 22,848,849.62/5,338.96
  6. Step 6: Final answer
    x = 4,279.64

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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.