Home / 2,975.90-4,107.60-1,797.06

Finding the Fourth Proportional to 2,975.90, 4,107.60 and 1,797.06

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Solution

The fourth proportional to 2,975.90, 4,107.60 and 1,797.06 is: 2,480.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.90 : 4,107.60 = 1,797.06 : x
  2. Step 2: Convert to fraction form
    2,975.90/4,107.60 = 1,797.06/x
  3. Step 3: Cross multiply
    2,975.90x = 4,107.60 × 1,797.06
  4. Step 4: Simplify right side
    2,975.90x = 7,381,603.66
  5. Step 5: Solve for x
    x = 7,381,603.66/2,975.90
  6. Step 6: Final answer
    x = 2,480.46

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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.