Home / 4,891.12-6,755.32-3,316.48

Finding the Fourth Proportional to 4,891.12, 6,755.32 and 3,316.48

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Solution

The fourth proportional to 4,891.12, 6,755.32 and 3,316.48 is: 4,580.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.12 : 6,755.32 = 3,316.48 : x
  2. Step 2: Convert to fraction form
    4,891.12/6,755.32 = 3,316.48/x
  3. Step 3: Cross multiply
    4,891.12x = 6,755.32 × 3,316.48
  4. Step 4: Simplify right side
    4,891.12x = 22,403,883.67
  5. Step 5: Solve for x
    x = 22,403,883.67/4,891.12
  6. Step 6: Final answer
    x = 4,580.52

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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.