Home / 2,090.23-3,135.50-703.56

Finding the Fourth Proportional to 2,090.23, 3,135.50 and 703.56

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Solution

The fourth proportional to 2,090.23, 3,135.50 and 703.56 is: 1,055.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.23 : 3,135.50 = 703.56 : x
  2. Step 2: Convert to fraction form
    2,090.23/3,135.50 = 703.56/x
  3. Step 3: Cross multiply
    2,090.23x = 3,135.50 × 703.56
  4. Step 4: Simplify right side
    2,090.23x = 2,206,008.86
  5. Step 5: Solve for x
    x = 2,206,008.86/2,090.23
  6. Step 6: Final answer
    x = 1,055.39

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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.