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Finding the Fourth Proportional to 5,404.59, 7,458.19 and 3,014.64

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Solution

The fourth proportional to 5,404.59, 7,458.19 and 3,014.64 is: 4,160.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,404.59 : 7,458.19 = 3,014.64 : x
  2. Step 2: Convert to fraction form
    5,404.59/7,458.19 = 3,014.64/x
  3. Step 3: Cross multiply
    5,404.59x = 7,458.19 × 3,014.64
  4. Step 4: Simplify right side
    5,404.59x = 22,483,713.07
  5. Step 5: Solve for x
    x = 22,483,713.07/5,404.59
  6. Step 6: Final answer
    x = 4,160.11

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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.