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Finding the Fourth Proportional to 5,307.64, 7,959.61 and 2,674.13

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Solution

The fourth proportional to 5,307.64, 7,959.61 and 2,674.13 is: 4,010.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.64 : 7,959.61 = 2,674.13 : x
  2. Step 2: Convert to fraction form
    5,307.64/7,959.61 = 2,674.13/x
  3. Step 3: Cross multiply
    5,307.64x = 7,959.61 × 2,674.13
  4. Step 4: Simplify right side
    5,307.64x = 21,284,995.43
  5. Step 5: Solve for x
    x = 21,284,995.43/5,307.64
  6. Step 6: Final answer
    x = 4,010.26

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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.