Home / 5,087.29-7,020.62-2,849.16

Finding the Fourth Proportional to 5,087.29, 7,020.62 and 2,849.16

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Solution

The fourth proportional to 5,087.29, 7,020.62 and 2,849.16 is: 3,931.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.29 : 7,020.62 = 2,849.16 : x
  2. Step 2: Convert to fraction form
    5,087.29/7,020.62 = 2,849.16/x
  3. Step 3: Cross multiply
    5,087.29x = 7,020.62 × 2,849.16
  4. Step 4: Simplify right side
    5,087.29x = 20,002,855.43
  5. Step 5: Solve for x
    x = 20,002,855.43/5,087.29
  6. Step 6: Final answer
    x = 3,931.93

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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.