Home / 3,492.41-5,240.33-1,643.71

Finding the Fourth Proportional to 3,492.41, 5,240.33 and 1,643.71

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Solution

The fourth proportional to 3,492.41, 5,240.33 and 1,643.71 is: 2,466.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492.41 : 5,240.33 = 1,643.71 : x
  2. Step 2: Convert to fraction form
    3,492.41/5,240.33 = 1,643.71/x
  3. Step 3: Cross multiply
    3,492.41x = 5,240.33 × 1,643.71
  4. Step 4: Simplify right side
    3,492.41x = 8,613,582.82
  5. Step 5: Solve for x
    x = 8,613,582.82/3,492.41
  6. Step 6: Final answer
    x = 2,466.37

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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.