Home / 7,004.47-9,666.04-3,817.79

Finding the Fourth Proportional to 7,004.47, 9,666.04 and 3,817.79

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Solution

The fourth proportional to 7,004.47, 9,666.04 and 3,817.79 is: 5,268.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,004.47 : 9,666.04 = 3,817.79 : x
  2. Step 2: Convert to fraction form
    7,004.47/9,666.04 = 3,817.79/x
  3. Step 3: Cross multiply
    7,004.47x = 9,666.04 × 3,817.79
  4. Step 4: Simplify right side
    7,004.47x = 36,902,910.85
  5. Step 5: Solve for x
    x = 36,902,910.85/7,004.47
  6. Step 6: Final answer
    x = 5,268.48

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1.5x scale

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.