Home / 5,558.72-7,657.68-4,674.56

Finding the Fourth Proportional to 5,558.72, 7,657.68 and 4,674.56

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Solution

The fourth proportional to 5,558.72, 7,657.68 and 4,674.56 is: 6,439.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.72 : 7,657.68 = 4,674.56 : x
  2. Step 2: Convert to fraction form
    5,558.72/7,657.68 = 4,674.56/x
  3. Step 3: Cross multiply
    5,558.72x = 7,657.68 × 4,674.56
  4. Step 4: Simplify right side
    5,558.72x = 35,796,284.62
  5. Step 5: Solve for x
    x = 35,796,284.62/5,558.72
  6. Step 6: Final answer
    x = 6,439.66

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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.