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Finding the Fourth Proportional to 2,483, 3,724.56 and 751.76

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Solution

The fourth proportional to 2,483, 3,724.56 and 751.76 is: 1,127.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,483 : 3,724.56 = 751.76 : x
  2. Step 2: Convert to fraction form
    2,483/3,724.56 = 751.76/x
  3. Step 3: Cross multiply
    2,483x = 3,724.56 × 751.76
  4. Step 4: Simplify right side
    2,483x = 2,799,975.23
  5. Step 5: Solve for x
    x = 2,799,975.23/2,483
  6. Step 6: Final answer
    x = 1,127.66

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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.