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Finding the Fourth Proportional to 3,908.03, 5,870.21 and 3,322.94

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Solution

The fourth proportional to 3,908.03, 5,870.21 and 3,322.94 is: 4,991.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.03 : 5,870.21 = 3,322.94 : x
  2. Step 2: Convert to fraction form
    3,908.03/5,870.21 = 3,322.94/x
  3. Step 3: Cross multiply
    3,908.03x = 5,870.21 × 3,322.94
  4. Step 4: Simplify right side
    3,908.03x = 19,506,309.65
  5. Step 5: Solve for x
    x = 19,506,309.65/3,908.03
  6. Step 6: Final answer
    x = 4,991.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.