Home / 5,553.40-7,663.72-3,035.47

Finding the Fourth Proportional to 5,553.40, 7,663.72 and 3,035.47

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Solution

The fourth proportional to 5,553.40, 7,663.72 and 3,035.47 is: 4,188.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.40 : 7,663.72 = 3,035.47 : x
  2. Step 2: Convert to fraction form
    5,553.40/7,663.72 = 3,035.47/x
  3. Step 3: Cross multiply
    5,553.40x = 7,663.72 × 3,035.47
  4. Step 4: Simplify right side
    5,553.40x = 23,262,992.15
  5. Step 5: Solve for x
    x = 23,262,992.15/5,553.40
  6. Step 6: Final answer
    x = 4,188.96

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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.