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Finding the Fourth Proportional to 3,543.65, 4,890.48 and 2,346.57

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Solution

The fourth proportional to 3,543.65, 4,890.48 and 2,346.57 is: 3,238.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.65 : 4,890.48 = 2,346.57 : x
  2. Step 2: Convert to fraction form
    3,543.65/4,890.48 = 2,346.57/x
  3. Step 3: Cross multiply
    3,543.65x = 4,890.48 × 2,346.57
  4. Step 4: Simplify right side
    3,543.65x = 11,475,844.85
  5. Step 5: Solve for x
    x = 11,475,844.85/3,543.65
  6. Step 6: Final answer
    x = 3,238.43

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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.