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Finding the Fourth Proportional to 5,653.79, 7,801.74 and 3,296.15

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Solution

The fourth proportional to 5,653.79, 7,801.74 and 3,296.15 is: 4,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.79 : 7,801.74 = 3,296.15 : x
  2. Step 2: Convert to fraction form
    5,653.79/7,801.74 = 3,296.15/x
  3. Step 3: Cross multiply
    5,653.79x = 7,801.74 × 3,296.15
  4. Step 4: Simplify right side
    5,653.79x = 25,715,666.29
  5. Step 5: Solve for x
    x = 25,715,666.29/5,653.79
  6. Step 6: Final answer
    x = 4,548.40

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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.