Home / 6,310.86-8,708.67-3,515.82

Finding the Fourth Proportional to 6,310.86, 8,708.67 and 3,515.82

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Solution

The fourth proportional to 6,310.86, 8,708.67 and 3,515.82 is: 4,851.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,310.86 : 8,708.67 = 3,515.82 : x
  2. Step 2: Convert to fraction form
    6,310.86/8,708.67 = 3,515.82/x
  3. Step 3: Cross multiply
    6,310.86x = 8,708.67 × 3,515.82
  4. Step 4: Simplify right side
    6,310.86x = 30,618,116.16
  5. Step 5: Solve for x
    x = 30,618,116.16/6,310.86
  6. Step 6: Final answer
    x = 4,851.66

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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.