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Finding the Fourth Proportional to 4,875.53, 6,727.05 and 2,886.57

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Solution

The fourth proportional to 4,875.53, 6,727.05 and 2,886.57 is: 3,982.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,875.53 : 6,727.05 = 2,886.57 : x
  2. Step 2: Convert to fraction form
    4,875.53/6,727.05 = 2,886.57/x
  3. Step 3: Cross multiply
    4,875.53x = 6,727.05 × 2,886.57
  4. Step 4: Simplify right side
    4,875.53x = 19,418,100.72
  5. Step 5: Solve for x
    x = 19,418,100.72/4,875.53
  6. Step 6: Final answer
    x = 3,982.77

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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.