Home / 5,326.11-7,349.72-3,087.81

Finding the Fourth Proportional to 5,326.11, 7,349.72 and 3,087.81

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Solution

The fourth proportional to 5,326.11, 7,349.72 and 3,087.81 is: 4,260.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.11 : 7,349.72 = 3,087.81 : x
  2. Step 2: Convert to fraction form
    5,326.11/7,349.72 = 3,087.81/x
  3. Step 3: Cross multiply
    5,326.11x = 7,349.72 × 3,087.81
  4. Step 4: Simplify right side
    5,326.11x = 22,694,523.47
  5. Step 5: Solve for x
    x = 22,694,523.47/5,326.11
  6. Step 6: Final answer
    x = 4,260.99

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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.