Home / 4,555.39-6,831.86-1,922.91

Finding the Fourth Proportional to 4,555.39, 6,831.86 and 1,922.91

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Solution

The fourth proportional to 4,555.39, 6,831.86 and 1,922.91 is: 2,883.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,555.39 : 6,831.86 = 1,922.91 : x
  2. Step 2: Convert to fraction form
    4,555.39/6,831.86 = 1,922.91/x
  3. Step 3: Cross multiply
    4,555.39x = 6,831.86 × 1,922.91
  4. Step 4: Simplify right side
    4,555.39x = 13,137,060.52
  5. Step 5: Solve for x
    x = 13,137,060.52/4,555.39
  6. Step 6: Final answer
    x = 2,883.85

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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.