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Finding the Fourth Proportional to 3,717.93, 5,130.88 and 2,039.41

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Solution

The fourth proportional to 3,717.93, 5,130.88 and 2,039.41 is: 2,814.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.93 : 5,130.88 = 2,039.41 : x
  2. Step 2: Convert to fraction form
    3,717.93/5,130.88 = 2,039.41/x
  3. Step 3: Cross multiply
    3,717.93x = 5,130.88 × 2,039.41
  4. Step 4: Simplify right side
    3,717.93x = 10,463,951.91
  5. Step 5: Solve for x
    x = 10,463,951.91/3,717.93
  6. Step 6: Final answer
    x = 2,814.46

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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.