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Finding the Fourth Proportional to 3,717.74, 5,133.95 and 2,393.74

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Solution

The fourth proportional to 3,717.74, 5,133.95 and 2,393.74 is: 3,305.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.74 : 5,133.95 = 2,393.74 : x
  2. Step 2: Convert to fraction form
    3,717.74/5,133.95 = 2,393.74/x
  3. Step 3: Cross multiply
    3,717.74x = 5,133.95 × 2,393.74
  4. Step 4: Simplify right side
    3,717.74x = 12,289,329.50
  5. Step 5: Solve for x
    x = 12,289,329.50/3,717.74
  6. Step 6: Final answer
    x = 3,305.59

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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.