Home / 5,400.55-7,453.91-3,631.13

Finding the Fourth Proportional to 5,400.55, 7,453.91 and 3,631.13

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Solution

The fourth proportional to 5,400.55, 7,453.91 and 3,631.13 is: 5,011.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.55 : 7,453.91 = 3,631.13 : x
  2. Step 2: Convert to fraction form
    5,400.55/7,453.91 = 3,631.13/x
  3. Step 3: Cross multiply
    5,400.55x = 7,453.91 × 3,631.13
  4. Step 4: Simplify right side
    5,400.55x = 27,066,060.79
  5. Step 5: Solve for x
    x = 27,066,060.79/5,400.55
  6. Step 6: Final answer
    x = 5,011.73

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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.