Home / 5,530.63-7,632.21-3,173.14

Finding the Fourth Proportional to 5,530.63, 7,632.21 and 3,173.14

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Solution

The fourth proportional to 5,530.63, 7,632.21 and 3,173.14 is: 4,378.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.63 : 7,632.21 = 3,173.14 : x
  2. Step 2: Convert to fraction form
    5,530.63/7,632.21 = 3,173.14/x
  3. Step 3: Cross multiply
    5,530.63x = 7,632.21 × 3,173.14
  4. Step 4: Simplify right side
    5,530.63x = 24,218,070.84
  5. Step 5: Solve for x
    x = 24,218,070.84/5,530.63
  6. Step 6: Final answer
    x = 4,378.90

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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.