Home / 2,345.22-3,507.48-2,087.03

Finding the Fourth Proportional to 2,345.22, 3,507.48 and 2,087.03

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Solution

The fourth proportional to 2,345.22, 3,507.48 and 2,087.03 is: 3,121.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.22 : 3,507.48 = 2,087.03 : x
  2. Step 2: Convert to fraction form
    2,345.22/3,507.48 = 2,087.03/x
  3. Step 3: Cross multiply
    2,345.22x = 3,507.48 × 2,087.03
  4. Step 4: Simplify right side
    2,345.22x = 7,320,215.98
  5. Step 5: Solve for x
    x = 7,320,215.98/2,345.22
  6. Step 6: Final answer
    x = 3,121.33

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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.