Home / 7,004.29-9,664.26-3,979.24

Finding the Fourth Proportional to 7,004.29, 9,664.26 and 3,979.24

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Solution

The fourth proportional to 7,004.29, 9,664.26 and 3,979.24 is: 5,490.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,004.29 : 9,664.26 = 3,979.24 : x
  2. Step 2: Convert to fraction form
    7,004.29/9,664.26 = 3,979.24/x
  3. Step 3: Cross multiply
    7,004.29x = 9,664.26 × 3,979.24
  4. Step 4: Simplify right side
    7,004.29x = 38,456,409.96
  5. Step 5: Solve for x
    x = 38,456,409.96/7,004.29
  6. Step 6: Final answer
    x = 5,490.41

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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.