Home / 7,345.48-11,018.20-2,080.54

Finding the Fourth Proportional to 7,345.48, 11,018.20 and 2,080.54

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Solution

The fourth proportional to 7,345.48, 11,018.20 and 2,080.54 is: 3,120.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.48 : 11,018.20 = 2,080.54 : x
  2. Step 2: Convert to fraction form
    7,345.48/11,018.20 = 2,080.54/x
  3. Step 3: Cross multiply
    7,345.48x = 11,018.20 × 2,080.54
  4. Step 4: Simplify right side
    7,345.48x = 22,923,805.83
  5. Step 5: Solve for x
    x = 22,923,805.83/7,345.48
  6. Step 6: Final answer
    x = 3,120.80

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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.