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Finding the Fourth Proportional to 5,891.69, 8,130.93 and 3,653.66

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Solution

The fourth proportional to 5,891.69, 8,130.93 and 3,653.66 is: 5,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,891.69 : 8,130.93 = 3,653.66 : x
  2. Step 2: Convert to fraction form
    5,891.69/8,130.93 = 3,653.66/x
  3. Step 3: Cross multiply
    5,891.69x = 8,130.93 × 3,653.66
  4. Step 4: Simplify right side
    5,891.69x = 29,707,635.15
  5. Step 5: Solve for x
    x = 29,707,635.15/5,891.69
  6. Step 6: Final answer
    x = 5,042.30

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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.