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Finding the Fourth Proportional to 5,717.63, 7,888.02 and 3,477.71

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Solution

The fourth proportional to 5,717.63, 7,888.02 and 3,477.71 is: 4,797.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717.63 : 7,888.02 = 3,477.71 : x
  2. Step 2: Convert to fraction form
    5,717.63/7,888.02 = 3,477.71/x
  3. Step 3: Cross multiply
    5,717.63x = 7,888.02 × 3,477.71
  4. Step 4: Simplify right side
    5,717.63x = 27,432,252.71
  5. Step 5: Solve for x
    x = 27,432,252.71/5,717.63
  6. Step 6: Final answer
    x = 4,797.83

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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.