Home / 5,286.29-7,288.16-4,548.17

Finding the Fourth Proportional to 5,286.29, 7,288.16 and 4,548.17

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Solution

The fourth proportional to 5,286.29, 7,288.16 and 4,548.17 is: 6,270.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.29 : 7,288.16 = 4,548.17 : x
  2. Step 2: Convert to fraction form
    5,286.29/7,288.16 = 4,548.17/x
  3. Step 3: Cross multiply
    5,286.29x = 7,288.16 × 4,548.17
  4. Step 4: Simplify right side
    5,286.29x = 33,147,767.93
  5. Step 5: Solve for x
    x = 33,147,767.93/5,286.29
  6. Step 6: Final answer
    x = 6,270.52

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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.