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Finding the Fourth Proportional to 4,215.04, 5,817 and 2,446.78

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Solution

The fourth proportional to 4,215.04, 5,817 and 2,446.78 is: 3,376.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.04 : 5,817 = 2,446.78 : x
  2. Step 2: Convert to fraction form
    4,215.04/5,817 = 2,446.78/x
  3. Step 3: Cross multiply
    4,215.04x = 5,817 × 2,446.78
  4. Step 4: Simplify right side
    4,215.04x = 14,232,919.26
  5. Step 5: Solve for x
    x = 14,232,919.26/4,215.04
  6. Step 6: Final answer
    x = 3,376.70

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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.