Home / 5,686.16-8,530.25-2,176.02

Finding the Fourth Proportional to 5,686.16, 8,530.25 and 2,176.02

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Solution

The fourth proportional to 5,686.16, 8,530.25 and 2,176.02 is: 3,264.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,686.16 : 8,530.25 = 2,176.02 : x
  2. Step 2: Convert to fraction form
    5,686.16/8,530.25 = 2,176.02/x
  3. Step 3: Cross multiply
    5,686.16x = 8,530.25 × 2,176.02
  4. Step 4: Simplify right side
    5,686.16x = 18,561,983.72
  5. Step 5: Solve for x
    x = 18,561,983.72/5,686.16
  6. Step 6: Final answer
    x = 3,264.42

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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.