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Finding the Fourth Proportional to 5,653.96, 7,801.52 and 3,135.67

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Solution

The fourth proportional to 5,653.96, 7,801.52 and 3,135.67 is: 4,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.96 : 7,801.52 = 3,135.67 : x
  2. Step 2: Convert to fraction form
    5,653.96/7,801.52 = 3,135.67/x
  3. Step 3: Cross multiply
    5,653.96x = 7,801.52 × 3,135.67
  4. Step 4: Simplify right side
    5,653.96x = 24,462,961.05
  5. Step 5: Solve for x
    x = 24,462,961.05/5,653.96
  6. Step 6: Final answer
    x = 4,326.70

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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.