Home / 5,599.12-7,727.29-3,081.72

Finding the Fourth Proportional to 5,599.12, 7,727.29 and 3,081.72

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Solution

The fourth proportional to 5,599.12, 7,727.29 and 3,081.72 is: 4,253.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,599.12 : 7,727.29 = 3,081.72 : x
  2. Step 2: Convert to fraction form
    5,599.12/7,727.29 = 3,081.72/x
  3. Step 3: Cross multiply
    5,599.12x = 7,727.29 × 3,081.72
  4. Step 4: Simplify right side
    5,599.12x = 23,813,344.14
  5. Step 5: Solve for x
    x = 23,813,344.14/5,599.12
  6. Step 6: Final answer
    x = 4,253.05

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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.