Home / 2,170.53-3,258.07-1,197.32

Finding the Fourth Proportional to 2,170.53, 3,258.07 and 1,197.32

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Solution

The fourth proportional to 2,170.53, 3,258.07 and 1,197.32 is: 1,797.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.53 : 3,258.07 = 1,197.32 : x
  2. Step 2: Convert to fraction form
    2,170.53/3,258.07 = 1,197.32/x
  3. Step 3: Cross multiply
    2,170.53x = 3,258.07 × 1,197.32
  4. Step 4: Simplify right side
    2,170.53x = 3,900,939.82
  5. Step 5: Solve for x
    x = 3,900,939.82/2,170.53
  6. Step 6: Final answer
    x = 1,797.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.