Home / 5,318.16-7,338.94-2,960.25

Finding the Fourth Proportional to 5,318.16, 7,338.94 and 2,960.25

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Solution

The fourth proportional to 5,318.16, 7,338.94 and 2,960.25 is: 4,085.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.16 : 7,338.94 = 2,960.25 : x
  2. Step 2: Convert to fraction form
    5,318.16/7,338.94 = 2,960.25/x
  3. Step 3: Cross multiply
    5,318.16x = 7,338.94 × 2,960.25
  4. Step 4: Simplify right side
    5,318.16x = 21,725,097.14
  5. Step 5: Solve for x
    x = 21,725,097.14/5,318.16
  6. Step 6: Final answer
    x = 4,085.08

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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.