Home / 3,346.68-4,618.08-1,930.36

Finding the Fourth Proportional to 3,346.68, 4,618.08 and 1,930.36

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Solution

The fourth proportional to 3,346.68, 4,618.08 and 1,930.36 is: 2,663.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346.68 : 4,618.08 = 1,930.36 : x
  2. Step 2: Convert to fraction form
    3,346.68/4,618.08 = 1,930.36/x
  3. Step 3: Cross multiply
    3,346.68x = 4,618.08 × 1,930.36
  4. Step 4: Simplify right side
    3,346.68x = 8,914,556.91
  5. Step 5: Solve for x
    x = 8,914,556.91/3,346.68
  6. Step 6: Final answer
    x = 2,663.70

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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.