Home / 5,670.41-8,502.26-1,720.47

Finding the Fourth Proportional to 5,670.41, 8,502.26 and 1,720.47

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Solution

The fourth proportional to 5,670.41, 8,502.26 and 1,720.47 is: 2,579.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,670.41 : 8,502.26 = 1,720.47 : x
  2. Step 2: Convert to fraction form
    5,670.41/8,502.26 = 1,720.47/x
  3. Step 3: Cross multiply
    5,670.41x = 8,502.26 × 1,720.47
  4. Step 4: Simplify right side
    5,670.41x = 14,627,874.66
  5. Step 5: Solve for x
    x = 14,627,874.66/5,670.41
  6. Step 6: Final answer
    x = 2,579.69

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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.