Home / 4,112.18-5,674.80-2,223.75

Finding the Fourth Proportional to 4,112.18, 5,674.80 and 2,223.75

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Solution

The fourth proportional to 4,112.18, 5,674.80 and 2,223.75 is: 3,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.18 : 5,674.80 = 2,223.75 : x
  2. Step 2: Convert to fraction form
    4,112.18/5,674.80 = 2,223.75/x
  3. Step 3: Cross multiply
    4,112.18x = 5,674.80 × 2,223.75
  4. Step 4: Simplify right side
    4,112.18x = 12,619,339.57
  5. Step 5: Solve for x
    x = 12,619,339.57/4,112.18
  6. Step 6: Final answer
    x = 3,068.77

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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.