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Finding the Fourth Proportional to 5,716.56, 7,888.14 and 3,358.65

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Solution

The fourth proportional to 5,716.56, 7,888.14 and 3,358.65 is: 4,634.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,716.56 : 7,888.14 = 3,358.65 : x
  2. Step 2: Convert to fraction form
    5,716.56/7,888.14 = 3,358.65/x
  3. Step 3: Cross multiply
    5,716.56x = 7,888.14 × 3,358.65
  4. Step 4: Simplify right side
    5,716.56x = 26,493,501.41
  5. Step 5: Solve for x
    x = 26,493,501.41/5,716.56
  6. Step 6: Final answer
    x = 4,634.52

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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.