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Finding the Fourth Proportional to 5,894.88, 8,131.55 and 3,535.65

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Solution

The fourth proportional to 5,894.88, 8,131.55 and 3,535.65 is: 4,877.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,894.88 : 8,131.55 = 3,535.65 : x
  2. Step 2: Convert to fraction form
    5,894.88/8,131.55 = 3,535.65/x
  3. Step 3: Cross multiply
    5,894.88x = 8,131.55 × 3,535.65
  4. Step 4: Simplify right side
    5,894.88x = 28,750,297.08
  5. Step 5: Solve for x
    x = 28,750,297.08/5,894.88
  6. Step 6: Final answer
    x = 4,877.16

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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.