Home / 6,979.02-10,471.32-2,600.16

Finding the Fourth Proportional to 6,979.02, 10,471.32 and 2,600.16

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Solution

The fourth proportional to 6,979.02, 10,471.32 and 2,600.16 is: 3,901.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.02 : 10,471.32 = 2,600.16 : x
  2. Step 2: Convert to fraction form
    6,979.02/10,471.32 = 2,600.16/x
  3. Step 3: Cross multiply
    6,979.02x = 10,471.32 × 2,600.16
  4. Step 4: Simplify right side
    6,979.02x = 27,227,107.41
  5. Step 5: Solve for x
    x = 27,227,107.41/6,979.02
  6. Step 6: Final answer
    x = 3,901.28

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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.