Home / 5,287.86-7,297.05-3,049.83

Finding the Fourth Proportional to 5,287.86, 7,297.05 and 3,049.83

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Solution

The fourth proportional to 5,287.86, 7,297.05 and 3,049.83 is: 4,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.86 : 7,297.05 = 3,049.83 : x
  2. Step 2: Convert to fraction form
    5,287.86/7,297.05 = 3,049.83/x
  3. Step 3: Cross multiply
    5,287.86x = 7,297.05 × 3,049.83
  4. Step 4: Simplify right side
    5,287.86x = 22,254,762.00
  5. Step 5: Solve for x
    x = 22,254,762.00/5,287.86
  6. Step 6: Final answer
    x = 4,208.65

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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.