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Finding the Fourth Proportional to 3,017.66, 4,164.54 and 1,691.45

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Solution

The fourth proportional to 3,017.66, 4,164.54 and 1,691.45 is: 2,334.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.66 : 4,164.54 = 1,691.45 : x
  2. Step 2: Convert to fraction form
    3,017.66/4,164.54 = 1,691.45/x
  3. Step 3: Cross multiply
    3,017.66x = 4,164.54 × 1,691.45
  4. Step 4: Simplify right side
    3,017.66x = 7,044,086.13
  5. Step 5: Solve for x
    x = 7,044,086.13/3,017.66
  6. Step 6: Final answer
    x = 2,334.29

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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.