Home / 3,358.51-4,639.40-3,194.48

Finding the Fourth Proportional to 3,358.51, 4,639.40 and 3,194.48

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Solution

The fourth proportional to 3,358.51, 4,639.40 and 3,194.48 is: 4,412.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.51 : 4,639.40 = 3,194.48 : x
  2. Step 2: Convert to fraction form
    3,358.51/4,639.40 = 3,194.48/x
  3. Step 3: Cross multiply
    3,358.51x = 4,639.40 × 3,194.48
  4. Step 4: Simplify right side
    3,358.51x = 14,820,470.51
  5. Step 5: Solve for x
    x = 14,820,470.51/3,358.51
  6. Step 6: Final answer
    x = 4,412.81

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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.