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Finding the Fourth Proportional to 3,307.93, 4,565.07 and 1,891.84

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Solution

The fourth proportional to 3,307.93, 4,565.07 and 1,891.84 is: 2,610.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.93 : 4,565.07 = 1,891.84 : x
  2. Step 2: Convert to fraction form
    3,307.93/4,565.07 = 1,891.84/x
  3. Step 3: Cross multiply
    3,307.93x = 4,565.07 × 1,891.84
  4. Step 4: Simplify right side
    3,307.93x = 8,636,382.03
  5. Step 5: Solve for x
    x = 8,636,382.03/3,307.93
  6. Step 6: Final answer
    x = 2,610.81

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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.