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Finding the Fourth Proportional to 5,368.75, 7,406.35 and 3,797.71

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Solution

The fourth proportional to 5,368.75, 7,406.35 and 3,797.71 is: 5,239.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368.75 : 7,406.35 = 3,797.71 : x
  2. Step 2: Convert to fraction form
    5,368.75/7,406.35 = 3,797.71/x
  3. Step 3: Cross multiply
    5,368.75x = 7,406.35 × 3,797.71
  4. Step 4: Simplify right side
    5,368.75x = 28,127,169.46
  5. Step 5: Solve for x
    x = 28,127,169.46/5,368.75
  6. Step 6: Final answer
    x = 5,239.05

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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.