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Finding the Fourth Proportional to 5,589.66, 7,657.90 and 5,379.52

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Solution

The fourth proportional to 5,589.66, 7,657.90 and 5,379.52 is: 7,370.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.66 : 7,657.90 = 5,379.52 : x
  2. Step 2: Convert to fraction form
    5,589.66/7,657.90 = 5,379.52/x
  3. Step 3: Cross multiply
    5,589.66x = 7,657.90 × 5,379.52
  4. Step 4: Simplify right side
    5,589.66x = 41,195,826.21
  5. Step 5: Solve for x
    x = 41,195,826.21/5,589.66
  6. Step 6: Final answer
    x = 7,370.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.