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Finding the Fourth Proportional to 2,832.84, 3,901.50 and 2,439.72

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Solution

The fourth proportional to 2,832.84, 3,901.50 and 2,439.72 is: 3,360.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.84 : 3,901.50 = 2,439.72 : x
  2. Step 2: Convert to fraction form
    2,832.84/3,901.50 = 2,439.72/x
  3. Step 3: Cross multiply
    2,832.84x = 3,901.50 × 2,439.72
  4. Step 4: Simplify right side
    2,832.84x = 9,518,567.58
  5. Step 5: Solve for x
    x = 9,518,567.58/2,832.84
  6. Step 6: Final answer
    x = 3,360.08

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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.