Home / 5,318.98-7,340.14-2,961.07

Finding the Fourth Proportional to 5,318.98, 7,340.14 and 2,961.07

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Solution

The fourth proportional to 5,318.98, 7,340.14 and 2,961.07 is: 4,086.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.98 : 7,340.14 = 2,961.07 : x
  2. Step 2: Convert to fraction form
    5,318.98/7,340.14 = 2,961.07/x
  3. Step 3: Cross multiply
    5,318.98x = 7,340.14 × 2,961.07
  4. Step 4: Simplify right side
    5,318.98x = 21,734,668.35
  5. Step 5: Solve for x
    x = 21,734,668.35/5,318.98
  6. Step 6: Final answer
    x = 4,086.25

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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.