Home / 3,346.55-4,617.75-1,930.13

Finding the Fourth Proportional to 3,346.55, 4,617.75 and 1,930.13

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Solution

The fourth proportional to 3,346.55, 4,617.75 and 1,930.13 is: 2,663.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346.55 : 4,617.75 = 1,930.13 : x
  2. Step 2: Convert to fraction form
    3,346.55/4,617.75 = 1,930.13/x
  3. Step 3: Cross multiply
    3,346.55x = 4,617.75 × 1,930.13
  4. Step 4: Simplify right side
    3,346.55x = 8,912,834.72
  5. Step 5: Solve for x
    x = 8,912,834.72/3,346.55
  6. Step 6: Final answer
    x = 2,663.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.