Home / 3,730.20-5,145.12-2,237.04

Finding the Fourth Proportional to 3,730.20, 5,145.12 and 2,237.04

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Solution

The fourth proportional to 3,730.20, 5,145.12 and 2,237.04 is: 3,085.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.20 : 5,145.12 = 2,237.04 : x
  2. Step 2: Convert to fraction form
    3,730.20/5,145.12 = 2,237.04/x
  3. Step 3: Cross multiply
    3,730.20x = 5,145.12 × 2,237.04
  4. Step 4: Simplify right side
    3,730.20x = 11,509,839.24
  5. Step 5: Solve for x
    x = 11,509,839.24/3,730.20
  6. Step 6: Final answer
    x = 3,085.58

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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.