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Finding the Fourth Proportional to 4,791, 6,611.58 and 2,695.14

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Solution

The fourth proportional to 4,791, 6,611.58 and 2,695.14 is: 3,719.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791 : 6,611.58 = 2,695.14 : x
  2. Step 2: Convert to fraction form
    4,791/6,611.58 = 2,695.14/x
  3. Step 3: Cross multiply
    4,791x = 6,611.58 × 2,695.14
  4. Step 4: Simplify right side
    4,791x = 17,819,133.72
  5. Step 5: Solve for x
    x = 17,819,133.72/4,791
  6. Step 6: Final answer
    x = 3,719.29

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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.