Home / 4,746.26-7,121.22-1,972.22

Finding the Fourth Proportional to 4,746.26, 7,121.22 and 1,972.22

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Solution

The fourth proportional to 4,746.26, 7,121.22 and 1,972.22 is: 2,959.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,746.26 : 7,121.22 = 1,972.22 : x
  2. Step 2: Convert to fraction form
    4,746.26/7,121.22 = 1,972.22/x
  3. Step 3: Cross multiply
    4,746.26x = 7,121.22 × 1,972.22
  4. Step 4: Simplify right side
    4,746.26x = 14,044,576.90
  5. Step 5: Solve for x
    x = 14,044,576.90/4,746.26
  6. Step 6: Final answer
    x = 2,959.09

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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.