Home / 5,530.15-7,633.18-3,643.11

Finding the Fourth Proportional to 5,530.15, 7,633.18 and 3,643.11

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Solution

The fourth proportional to 5,530.15, 7,633.18 and 3,643.11 is: 5,028.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.15 : 7,633.18 = 3,643.11 : x
  2. Step 2: Convert to fraction form
    5,530.15/7,633.18 = 3,643.11/x
  3. Step 3: Cross multiply
    5,530.15x = 7,633.18 × 3,643.11
  4. Step 4: Simplify right side
    5,530.15x = 27,808,496.17
  5. Step 5: Solve for x
    x = 27,808,496.17/5,530.15
  6. Step 6: Final answer
    x = 5,028.52

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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.