Home / 1,393.27-2,090.05-468.93

Finding the Fourth Proportional to 1,393.27, 2,090.05 and 468.93

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Solution

The fourth proportional to 1,393.27, 2,090.05 and 468.93 is: 703.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393.27 : 2,090.05 = 468.93 : x
  2. Step 2: Convert to fraction form
    1,393.27/2,090.05 = 468.93/x
  3. Step 3: Cross multiply
    1,393.27x = 2,090.05 × 468.93
  4. Step 4: Simplify right side
    1,393.27x = 980,087.15
  5. Step 5: Solve for x
    x = 980,087.15/1,393.27
  6. Step 6: Final answer
    x = 703.44

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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.