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Finding the Fourth Proportional to 3,590.65, 4,955.05 and 2,098.79

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Solution

The fourth proportional to 3,590.65, 4,955.05 and 2,098.79 is: 2,896.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.65 : 4,955.05 = 2,098.79 : x
  2. Step 2: Convert to fraction form
    3,590.65/4,955.05 = 2,098.79/x
  3. Step 3: Cross multiply
    3,590.65x = 4,955.05 × 2,098.79
  4. Step 4: Simplify right side
    3,590.65x = 10,399,609.39
  5. Step 5: Solve for x
    x = 10,399,609.39/3,590.65
  6. Step 6: Final answer
    x = 2,896.30

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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.