Home / 3,366.90-5,051.34-1,724.56

Finding the Fourth Proportional to 3,366.90, 5,051.34 and 1,724.56

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Solution

The fourth proportional to 3,366.90, 5,051.34 and 1,724.56 is: 2,587.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.90 : 5,051.34 = 1,724.56 : x
  2. Step 2: Convert to fraction form
    3,366.90/5,051.34 = 1,724.56/x
  3. Step 3: Cross multiply
    3,366.90x = 5,051.34 × 1,724.56
  4. Step 4: Simplify right side
    3,366.90x = 8,711,326.28
  5. Step 5: Solve for x
    x = 8,711,326.28/3,366.90
  6. Step 6: Final answer
    x = 2,587.34

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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.