Home / 7,066.78-10,589.13-2,681.86

Finding the Fourth Proportional to 7,066.78, 10,589.13 and 2,681.86

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Solution

The fourth proportional to 7,066.78, 10,589.13 and 2,681.86 is: 4,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,066.78 : 10,589.13 = 2,681.86 : x
  2. Step 2: Convert to fraction form
    7,066.78/10,589.13 = 2,681.86/x
  3. Step 3: Cross multiply
    7,066.78x = 10,589.13 × 2,681.86
  4. Step 4: Simplify right side
    7,066.78x = 28,398,564.18
  5. Step 5: Solve for x
    x = 28,398,564.18/7,066.78
  6. Step 6: Final answer
    x = 4,018.60

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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.