Home / 2,051.74-2,831.42-1,167.56

Finding the Fourth Proportional to 2,051.74, 2,831.42 and 1,167.56

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Solution

The fourth proportional to 2,051.74, 2,831.42 and 1,167.56 is: 1,611.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051.74 : 2,831.42 = 1,167.56 : x
  2. Step 2: Convert to fraction form
    2,051.74/2,831.42 = 1,167.56/x
  3. Step 3: Cross multiply
    2,051.74x = 2,831.42 × 1,167.56
  4. Step 4: Simplify right side
    2,051.74x = 3,305,832.74
  5. Step 5: Solve for x
    x = 3,305,832.74/2,051.74
  6. Step 6: Final answer
    x = 1,611.24

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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.