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Finding the Fourth Proportional to 3,957.66, 5,931.63 and 2,395.17

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Solution

The fourth proportional to 3,957.66, 5,931.63 and 2,395.17 is: 3,589.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.66 : 5,931.63 = 2,395.17 : x
  2. Step 2: Convert to fraction form
    3,957.66/5,931.63 = 2,395.17/x
  3. Step 3: Cross multiply
    3,957.66x = 5,931.63 × 2,395.17
  4. Step 4: Simplify right side
    3,957.66x = 14,207,262.23
  5. Step 5: Solve for x
    x = 14,207,262.23/3,957.66
  6. Step 6: Final answer
    x = 3,589.81

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1.5x scale

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.