Home / 3,051.96-4,211.70-1,707.64

Finding the Fourth Proportional to 3,051.96, 4,211.70 and 1,707.64

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Solution

The fourth proportional to 3,051.96, 4,211.70 and 1,707.64 is: 2,356.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.96 : 4,211.70 = 1,707.64 : x
  2. Step 2: Convert to fraction form
    3,051.96/4,211.70 = 1,707.64/x
  3. Step 3: Cross multiply
    3,051.96x = 4,211.70 × 1,707.64
  4. Step 4: Simplify right side
    3,051.96x = 7,192,067.39
  5. Step 5: Solve for x
    x = 7,192,067.39/3,051.96
  6. Step 6: Final answer
    x = 2,356.54

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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.