Home / 5,553.64-7,663.26-4,717.72

Finding the Fourth Proportional to 5,553.64, 7,663.26 and 4,717.72

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Solution

The fourth proportional to 5,553.64, 7,663.26 and 4,717.72 is: 6,509.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.64 : 7,663.26 = 4,717.72 : x
  2. Step 2: Convert to fraction form
    5,553.64/7,663.26 = 4,717.72/x
  3. Step 3: Cross multiply
    5,553.64x = 7,663.26 × 4,717.72
  4. Step 4: Simplify right side
    5,553.64x = 36,153,114.97
  5. Step 5: Solve for x
    x = 36,153,114.97/5,553.64
  6. Step 6: Final answer
    x = 6,509.81

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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.