Home / 4,945-7,418.34-2,346.52

Finding the Fourth Proportional to 4,945, 7,418.34 and 2,346.52

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Solution

The fourth proportional to 4,945, 7,418.34 and 2,346.52 is: 3,520.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945 : 7,418.34 = 2,346.52 : x
  2. Step 2: Convert to fraction form
    4,945/7,418.34 = 2,346.52/x
  3. Step 3: Cross multiply
    4,945x = 7,418.34 × 2,346.52
  4. Step 4: Simplify right side
    4,945x = 17,407,283.18
  5. Step 5: Solve for x
    x = 17,407,283.18/4,945
  6. Step 6: Final answer
    x = 3,520.18

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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.