Home / 2,157.03-3,235.41-696.06

Finding the Fourth Proportional to 2,157.03, 3,235.41 and 696.06

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Solution

The fourth proportional to 2,157.03, 3,235.41 and 696.06 is: 1,044.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157.03 : 3,235.41 = 696.06 : x
  2. Step 2: Convert to fraction form
    2,157.03/3,235.41 = 696.06/x
  3. Step 3: Cross multiply
    2,157.03x = 3,235.41 × 696.06
  4. Step 4: Simplify right side
    2,157.03x = 2,252,039.48
  5. Step 5: Solve for x
    x = 2,252,039.48/2,157.03
  6. Step 6: Final answer
    x = 1,044.05

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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.