Home / 5,631.53-7,771.73-3,113.55

Finding the Fourth Proportional to 5,631.53, 7,771.73 and 3,113.55

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Solution

The fourth proportional to 5,631.53, 7,771.73 and 3,113.55 is: 4,296.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.53 : 7,771.73 = 3,113.55 : x
  2. Step 2: Convert to fraction form
    5,631.53/7,771.73 = 3,113.55/x
  3. Step 3: Cross multiply
    5,631.53x = 7,771.73 × 3,113.55
  4. Step 4: Simplify right side
    5,631.53x = 24,197,654.37
  5. Step 5: Solve for x
    x = 24,197,654.37/5,631.53
  6. Step 6: Final answer
    x = 4,296.82

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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.