Home / 1,325.66-1,984.80-1,000.04

Finding the Fourth Proportional to 1,325.66, 1,984.80 and 1,000.04

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Solution

The fourth proportional to 1,325.66, 1,984.80 and 1,000.04 is: 1,497.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325.66 : 1,984.80 = 1,000.04 : x
  2. Step 2: Convert to fraction form
    1,325.66/1,984.80 = 1,000.04/x
  3. Step 3: Cross multiply
    1,325.66x = 1,984.80 × 1,000.04
  4. Step 4: Simplify right side
    1,325.66x = 1,984,879.39
  5. Step 5: Solve for x
    x = 1,984,879.39/1,325.66
  6. Step 6: Final answer
    x = 1,497.28

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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.