Home / 5,319.84-7,342.68-3,196.62

Finding the Fourth Proportional to 5,319.84, 7,342.68 and 3,196.62

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Solution

The fourth proportional to 5,319.84, 7,342.68 and 3,196.62 is: 4,412.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.84 : 7,342.68 = 3,196.62 : x
  2. Step 2: Convert to fraction form
    5,319.84/7,342.68 = 3,196.62/x
  3. Step 3: Cross multiply
    5,319.84x = 7,342.68 × 3,196.62
  4. Step 4: Simplify right side
    5,319.84x = 23,471,757.74
  5. Step 5: Solve for x
    x = 23,471,757.74/5,319.84
  6. Step 6: Final answer
    x = 4,412.12

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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.