Home / 3,472.72-4,792.23-2,075.20

Finding the Fourth Proportional to 3,472.72, 4,792.23 and 2,075.20

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Solution

The fourth proportional to 3,472.72, 4,792.23 and 2,075.20 is: 2,863.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.72 : 4,792.23 = 2,075.20 : x
  2. Step 2: Convert to fraction form
    3,472.72/4,792.23 = 2,075.20/x
  3. Step 3: Cross multiply
    3,472.72x = 4,792.23 × 2,075.20
  4. Step 4: Simplify right side
    3,472.72x = 9,944,835.70
  5. Step 5: Solve for x
    x = 9,944,835.70/3,472.72
  6. Step 6: Final answer
    x = 2,863.70

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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.