Home / 2,077.80-3,102.24-1,870.44

Finding the Fourth Proportional to 2,077.80, 3,102.24 and 1,870.44

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Solution

The fourth proportional to 2,077.80, 3,102.24 and 1,870.44 is: 2,792.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.80 : 3,102.24 = 1,870.44 : x
  2. Step 2: Convert to fraction form
    2,077.80/3,102.24 = 1,870.44/x
  3. Step 3: Cross multiply
    2,077.80x = 3,102.24 × 1,870.44
  4. Step 4: Simplify right side
    2,077.80x = 5,802,553.79
  5. Step 5: Solve for x
    x = 5,802,553.79/2,077.80
  6. Step 6: Final answer
    x = 2,792.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.