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Finding the Fourth Proportional to 5,326.76, 7,350.90 and 3,089.93

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Solution

The fourth proportional to 5,326.76, 7,350.90 and 3,089.93 is: 4,264.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.76 : 7,350.90 = 3,089.93 : x
  2. Step 2: Convert to fraction form
    5,326.76/7,350.90 = 3,089.93/x
  3. Step 3: Cross multiply
    5,326.76x = 7,350.90 × 3,089.93
  4. Step 4: Simplify right side
    5,326.76x = 22,713,766.44
  5. Step 5: Solve for x
    x = 22,713,766.44/5,326.76
  6. Step 6: Final answer
    x = 4,264.09

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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.