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Finding the Fourth Proportional to 5,653.79, 7,803.14 and 3,295.47

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Solution

The fourth proportional to 5,653.79, 7,803.14 and 3,295.47 is: 4,548.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.79 : 7,803.14 = 3,295.47 : x
  2. Step 2: Convert to fraction form
    5,653.79/7,803.14 = 3,295.47/x
  3. Step 3: Cross multiply
    5,653.79x = 7,803.14 × 3,295.47
  4. Step 4: Simplify right side
    5,653.79x = 25,714,997.30
  5. Step 5: Solve for x
    x = 25,714,997.30/5,653.79
  6. Step 6: Final answer
    x = 4,548.28

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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.