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Finding the Fourth Proportional to 5,681.16, 7,837.92 and 3,441.42

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Solution

The fourth proportional to 5,681.16, 7,837.92 and 3,441.42 is: 4,747.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681.16 : 7,837.92 = 3,441.42 : x
  2. Step 2: Convert to fraction form
    5,681.16/7,837.92 = 3,441.42/x
  3. Step 3: Cross multiply
    5,681.16x = 7,837.92 × 3,441.42
  4. Step 4: Simplify right side
    5,681.16x = 26,973,574.65
  5. Step 5: Solve for x
    x = 26,973,574.65/5,681.16
  6. Step 6: Final answer
    x = 4,747.90

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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.