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Finding the Fourth Proportional to 5,917.90, 8,166.72 and 3,265.31

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Solution

The fourth proportional to 5,917.90, 8,166.72 and 3,265.31 is: 4,506.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917.90 : 8,166.72 = 3,265.31 : x
  2. Step 2: Convert to fraction form
    5,917.90/8,166.72 = 3,265.31/x
  3. Step 3: Cross multiply
    5,917.90x = 8,166.72 × 3,265.31
  4. Step 4: Simplify right side
    5,917.90x = 26,666,831.65
  5. Step 5: Solve for x
    x = 26,666,831.65/5,917.90
  6. Step 6: Final answer
    x = 4,506.13

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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.