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Finding the Fourth Proportional to 5,404.86, 7,455.51 and 4,074.39

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Solution

The fourth proportional to 5,404.86, 7,455.51 and 4,074.39 is: 5,620.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,404.86 : 7,455.51 = 4,074.39 : x
  2. Step 2: Convert to fraction form
    5,404.86/7,455.51 = 4,074.39/x
  3. Step 3: Cross multiply
    5,404.86x = 7,455.51 × 4,074.39
  4. Step 4: Simplify right side
    5,404.86x = 30,376,655.39
  5. Step 5: Solve for x
    x = 30,376,655.39/5,404.86
  6. Step 6: Final answer
    x = 5,620.25

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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.