Home / 6,515.06-9,755.90-3,590.12

Finding the Fourth Proportional to 6,515.06, 9,755.90 and 3,590.12

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Solution

The fourth proportional to 6,515.06, 9,755.90 and 3,590.12 is: 5,375.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.06 : 9,755.90 = 3,590.12 : x
  2. Step 2: Convert to fraction form
    6,515.06/9,755.90 = 3,590.12/x
  3. Step 3: Cross multiply
    6,515.06x = 9,755.90 × 3,590.12
  4. Step 4: Simplify right side
    6,515.06x = 35,024,811.90
  5. Step 5: Solve for x
    x = 35,024,811.90/6,515.06
  6. Step 6: Final answer
    x = 5,375.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.