Home / 5,685.80-8,528.70-2,398.02

Finding the Fourth Proportional to 5,685.80, 8,528.70 and 2,398.02

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Solution

The fourth proportional to 5,685.80, 8,528.70 and 2,398.02 is: 3,597.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.80 : 8,528.70 = 2,398.02 : x
  2. Step 2: Convert to fraction form
    5,685.80/8,528.70 = 2,398.02/x
  3. Step 3: Cross multiply
    5,685.80x = 8,528.70 × 2,398.02
  4. Step 4: Simplify right side
    5,685.80x = 20,451,993.17
  5. Step 5: Solve for x
    x = 20,451,993.17/5,685.80
  6. Step 6: Final answer
    x = 3,597.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.