Home / 2,730.19-3,767.46-1,611.06

Finding the Fourth Proportional to 2,730.19, 3,767.46 and 1,611.06

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Solution

The fourth proportional to 2,730.19, 3,767.46 and 1,611.06 is: 2,223.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.19 : 3,767.46 = 1,611.06 : x
  2. Step 2: Convert to fraction form
    2,730.19/3,767.46 = 1,611.06/x
  3. Step 3: Cross multiply
    2,730.19x = 3,767.46 × 1,611.06
  4. Step 4: Simplify right side
    2,730.19x = 6,069,604.11
  5. Step 5: Solve for x
    x = 6,069,604.11/2,730.19
  6. Step 6: Final answer
    x = 2,223.14

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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.