Home / 2,051.99-2,831.68-1,167.92

Finding the Fourth Proportional to 2,051.99, 2,831.68 and 1,167.92

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Solution

The fourth proportional to 2,051.99, 2,831.68 and 1,167.92 is: 1,611.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051.99 : 2,831.68 = 1,167.92 : x
  2. Step 2: Convert to fraction form
    2,051.99/2,831.68 = 1,167.92/x
  3. Step 3: Cross multiply
    2,051.99x = 2,831.68 × 1,167.92
  4. Step 4: Simplify right side
    2,051.99x = 3,307,175.71
  5. Step 5: Solve for x
    x = 3,307,175.71/2,051.99
  6. Step 6: Final answer
    x = 1,611.69

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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.