Home / 4,420.27-6,630.36-1,133.31

Finding the Fourth Proportional to 4,420.27, 6,630.36 and 1,133.31

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Solution

The fourth proportional to 4,420.27, 6,630.36 and 1,133.31 is: 1,699.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.27 : 6,630.36 = 1,133.31 : x
  2. Step 2: Convert to fraction form
    4,420.27/6,630.36 = 1,133.31/x
  3. Step 3: Cross multiply
    4,420.27x = 6,630.36 × 1,133.31
  4. Step 4: Simplify right side
    4,420.27x = 7,514,249.04
  5. Step 5: Solve for x
    x = 7,514,249.04/4,420.27
  6. Step 6: Final answer
    x = 1,699.95

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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.