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Finding the Fourth Proportional to 4,858.46, 6,703.89 and 2,868.74

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Solution

The fourth proportional to 4,858.46, 6,703.89 and 2,868.74 is: 3,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,858.46 : 6,703.89 = 2,868.74 : x
  2. Step 2: Convert to fraction form
    4,858.46/6,703.89 = 2,868.74/x
  3. Step 3: Cross multiply
    4,858.46x = 6,703.89 × 2,868.74
  4. Step 4: Simplify right side
    4,858.46x = 19,231,717.40
  5. Step 5: Solve for x
    x = 19,231,717.40/4,858.46
  6. Step 6: Final answer
    x = 3,958.40

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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.