Home / 7,029.18-10,542.42-2,647.08

Finding the Fourth Proportional to 7,029.18, 10,542.42 and 2,647.08

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Solution

The fourth proportional to 7,029.18, 10,542.42 and 2,647.08 is: 3,970.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.18 : 10,542.42 = 2,647.08 : x
  2. Step 2: Convert to fraction form
    7,029.18/10,542.42 = 2,647.08/x
  3. Step 3: Cross multiply
    7,029.18x = 10,542.42 × 2,647.08
  4. Step 4: Simplify right side
    7,029.18x = 27,906,629.13
  5. Step 5: Solve for x
    x = 27,906,629.13/7,029.18
  6. Step 6: Final answer
    x = 3,970.11

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1.5x scale

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.