Home / 5,530.99-7,632.82-3,013.12

Finding the Fourth Proportional to 5,530.99, 7,632.82 and 3,013.12

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Solution

The fourth proportional to 5,530.99, 7,632.82 and 3,013.12 is: 4,158.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.99 : 7,632.82 = 3,013.12 : x
  2. Step 2: Convert to fraction form
    5,530.99/7,632.82 = 3,013.12/x
  3. Step 3: Cross multiply
    5,530.99x = 7,632.82 × 3,013.12
  4. Step 4: Simplify right side
    5,530.99x = 22,998,587.28
  5. Step 5: Solve for x
    x = 22,998,587.28/5,530.99
  6. Step 6: Final answer
    x = 4,158.13

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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.