Home / 5,538.87-8,300.10-4,558.64

Finding the Fourth Proportional to 5,538.87, 8,300.10 and 4,558.64

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Solution

The fourth proportional to 5,538.87, 8,300.10 and 4,558.64 is: 6,831.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.87 : 8,300.10 = 4,558.64 : x
  2. Step 2: Convert to fraction form
    5,538.87/8,300.10 = 4,558.64/x
  3. Step 3: Cross multiply
    5,538.87x = 8,300.10 × 4,558.64
  4. Step 4: Simplify right side
    5,538.87x = 37,837,167.86
  5. Step 5: Solve for x
    x = 37,837,167.86/5,538.87
  6. Step 6: Final answer
    x = 6,831.21

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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.