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Finding the Fourth Proportional to 3,590.86, 4,955.42 and 2,193.61

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Solution

The fourth proportional to 3,590.86, 4,955.42 and 2,193.61 is: 3,027.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.86 : 4,955.42 = 2,193.61 : x
  2. Step 2: Convert to fraction form
    3,590.86/4,955.42 = 2,193.61/x
  3. Step 3: Cross multiply
    3,590.86x = 4,955.42 × 2,193.61
  4. Step 4: Simplify right side
    3,590.86x = 10,870,223.12
  5. Step 5: Solve for x
    x = 10,870,223.12/3,590.86
  6. Step 6: Final answer
    x = 3,027.20

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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.