Home / 2,087.03-3,130.54-700.37

Finding the Fourth Proportional to 2,087.03, 3,130.54 and 700.37

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Solution

The fourth proportional to 2,087.03, 3,130.54 and 700.37 is: 1,050.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087.03 : 3,130.54 = 700.37 : x
  2. Step 2: Convert to fraction form
    2,087.03/3,130.54 = 700.37/x
  3. Step 3: Cross multiply
    2,087.03x = 3,130.54 × 700.37
  4. Step 4: Simplify right side
    2,087.03x = 2,192,536.30
  5. Step 5: Solve for x
    x = 2,192,536.30/2,087.03
  6. Step 6: Final answer
    x = 1,050.55

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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.