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Finding the Fourth Proportional to 5,334.07, 7,357.05 and 3,917.32

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Solution

The fourth proportional to 5,334.07, 7,357.05 and 3,917.32 is: 5,402.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,334.07 : 7,357.05 = 3,917.32 : x
  2. Step 2: Convert to fraction form
    5,334.07/7,357.05 = 3,917.32/x
  3. Step 3: Cross multiply
    5,334.07x = 7,357.05 × 3,917.32
  4. Step 4: Simplify right side
    5,334.07x = 28,819,919.11
  5. Step 5: Solve for x
    x = 28,819,919.11/5,334.07
  6. Step 6: Final answer
    x = 5,402.99

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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.