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Finding the Fourth Proportional to 2,420, 3,630 and 596

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Solution

The fourth proportional to 2,420, 3,630 and 596 is: 894

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420 : 3,630 = 596 : x
  2. Step 2: Convert to fraction form
    2,420/3,630 = 596/x
  3. Step 3: Cross multiply
    2,420x = 3,630 × 596
  4. Step 4: Simplify right side
    2,420x = 2,163,480
  5. Step 5: Solve for x
    x = 2,163,480/2,420
  6. Step 6: Final answer
    x = 894

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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.