Home / 7,004.48-9,669.65-5,489.37

Finding the Fourth Proportional to 7,004.48, 9,669.65 and 5,489.37

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Solution

The fourth proportional to 7,004.48, 9,669.65 and 5,489.37 is: 7,578.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,004.48 : 9,669.65 = 5,489.37 : x
  2. Step 2: Convert to fraction form
    7,004.48/9,669.65 = 5,489.37/x
  3. Step 3: Cross multiply
    7,004.48x = 9,669.65 × 5,489.37
  4. Step 4: Simplify right side
    7,004.48x = 53,080,305.49
  5. Step 5: Solve for x
    x = 53,080,305.49/7,004.48
  6. Step 6: Final answer
    x = 7,578.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.