Home / 4,712.72-6,503.62-2,616.98

Finding the Fourth Proportional to 4,712.72, 6,503.62 and 2,616.98

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Solution

The fourth proportional to 4,712.72, 6,503.62 and 2,616.98 is: 3,611.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.72 : 6,503.62 = 2,616.98 : x
  2. Step 2: Convert to fraction form
    4,712.72/6,503.62 = 2,616.98/x
  3. Step 3: Cross multiply
    4,712.72x = 6,503.62 × 2,616.98
  4. Step 4: Simplify right side
    4,712.72x = 17,019,843.47
  5. Step 5: Solve for x
    x = 17,019,843.47/4,712.72
  6. Step 6: Final answer
    x = 3,611.47

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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.