Home / 5,318.32-7,980.72-2,396.92

Finding the Fourth Proportional to 5,318.32, 7,980.72 and 2,396.92

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Solution

The fourth proportional to 5,318.32, 7,980.72 and 2,396.92 is: 3,596.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.32 : 7,980.72 = 2,396.92 : x
  2. Step 2: Convert to fraction form
    5,318.32/7,980.72 = 2,396.92/x
  3. Step 3: Cross multiply
    5,318.32x = 7,980.72 × 2,396.92
  4. Step 4: Simplify right side
    5,318.32x = 19,129,147.38
  5. Step 5: Solve for x
    x = 19,129,147.38/5,318.32
  6. Step 6: Final answer
    x = 3,596.84

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1.5x scale

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.