Home / 1,605.93-2,406.45-1,193.13

Finding the Fourth Proportional to 1,605.93, 2,406.45 and 1,193.13

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Solution

The fourth proportional to 1,605.93, 2,406.45 and 1,193.13 is: 1,787.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605.93 : 2,406.45 = 1,193.13 : x
  2. Step 2: Convert to fraction form
    1,605.93/2,406.45 = 1,193.13/x
  3. Step 3: Cross multiply
    1,605.93x = 2,406.45 × 1,193.13
  4. Step 4: Simplify right side
    1,605.93x = 2,871,207.69
  5. Step 5: Solve for x
    x = 2,871,207.69/1,605.93
  6. Step 6: Final answer
    x = 1,787.88

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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.