Home / 1,588.40-2,382.60-1,100.96

Finding the Fourth Proportional to 1,588.40, 2,382.60 and 1,100.96

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Solution

The fourth proportional to 1,588.40, 2,382.60 and 1,100.96 is: 1,651.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.40 : 2,382.60 = 1,100.96 : x
  2. Step 2: Convert to fraction form
    1,588.40/2,382.60 = 1,100.96/x
  3. Step 3: Cross multiply
    1,588.40x = 2,382.60 × 1,100.96
  4. Step 4: Simplify right side
    1,588.40x = 2,623,147.30
  5. Step 5: Solve for x
    x = 2,623,147.30/1,588.40
  6. Step 6: Final answer
    x = 1,651.44

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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.