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Finding the Fourth Proportional to 5,307.84, 7,961.90 and 2,534.80

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Solution

The fourth proportional to 5,307.84, 7,961.90 and 2,534.80 is: 3,802.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.84 : 7,961.90 = 2,534.80 : x
  2. Step 2: Convert to fraction form
    5,307.84/7,961.90 = 2,534.80/x
  3. Step 3: Cross multiply
    5,307.84x = 7,961.90 × 2,534.80
  4. Step 4: Simplify right side
    5,307.84x = 20,181,824.12
  5. Step 5: Solve for x
    x = 20,181,824.12/5,307.84
  6. Step 6: Final answer
    x = 3,802.27

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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.