Home / 2,972.90-4,103.46-1,794.06

Finding the Fourth Proportional to 2,972.90, 4,103.46 and 1,794.06

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Solution

The fourth proportional to 2,972.90, 4,103.46 and 1,794.06 is: 2,476.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.90 : 4,103.46 = 1,794.06 : x
  2. Step 2: Convert to fraction form
    2,972.90/4,103.46 = 1,794.06/x
  3. Step 3: Cross multiply
    2,972.90x = 4,103.46 × 1,794.06
  4. Step 4: Simplify right side
    2,972.90x = 7,361,853.45
  5. Step 5: Solve for x
    x = 7,361,853.45/2,972.90
  6. Step 6: Final answer
    x = 2,476.32

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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.