Home / 3,946.96-5,919.56-1,606.36

Finding the Fourth Proportional to 3,946.96, 5,919.56 and 1,606.36

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Solution

The fourth proportional to 3,946.96, 5,919.56 and 1,606.36 is: 2,409.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.96 : 5,919.56 = 1,606.36 : x
  2. Step 2: Convert to fraction form
    3,946.96/5,919.56 = 1,606.36/x
  3. Step 3: Cross multiply
    3,946.96x = 5,919.56 × 1,606.36
  4. Step 4: Simplify right side
    3,946.96x = 9,508,944.40
  5. Step 5: Solve for x
    x = 9,508,944.40/3,946.96
  6. Step 6: Final answer
    x = 2,409.18

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1.5x scale

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.