Home / 5,720.88-8,568.36-4,684.08

Finding the Fourth Proportional to 5,720.88, 8,568.36 and 4,684.08

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Solution

The fourth proportional to 5,720.88, 8,568.36 and 4,684.08 is: 7,015.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.88 : 8,568.36 = 4,684.08 : x
  2. Step 2: Convert to fraction form
    5,720.88/8,568.36 = 4,684.08/x
  3. Step 3: Cross multiply
    5,720.88x = 8,568.36 × 4,684.08
  4. Step 4: Simplify right side
    5,720.88x = 40,134,883.71
  5. Step 5: Solve for x
    x = 40,134,883.71/5,720.88
  6. Step 6: Final answer
    x = 7,015.51

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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.