Home / 3,079.51-4,249.74-1,753.31

Finding the Fourth Proportional to 3,079.51, 4,249.74 and 1,753.31

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Solution

The fourth proportional to 3,079.51, 4,249.74 and 1,753.31 is: 2,419.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.51 : 4,249.74 = 1,753.31 : x
  2. Step 2: Convert to fraction form
    3,079.51/4,249.74 = 1,753.31/x
  3. Step 3: Cross multiply
    3,079.51x = 4,249.74 × 1,753.31
  4. Step 4: Simplify right side
    3,079.51x = 7,451,111.64
  5. Step 5: Solve for x
    x = 7,451,111.64/3,079.51
  6. Step 6: Final answer
    x = 2,419.58

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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.