Home / 5,175.55-7,764.53-1,477.83

Finding the Fourth Proportional to 5,175.55, 7,764.53 and 1,477.83

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Solution

The fourth proportional to 5,175.55, 7,764.53 and 1,477.83 is: 2,217.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.55 : 7,764.53 = 1,477.83 : x
  2. Step 2: Convert to fraction form
    5,175.55/7,764.53 = 1,477.83/x
  3. Step 3: Cross multiply
    5,175.55x = 7,764.53 × 1,477.83
  4. Step 4: Simplify right side
    5,175.55x = 11,474,655.37
  5. Step 5: Solve for x
    x = 11,474,655.37/5,175.55
  6. Step 6: Final answer
    x = 2,217.09

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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.