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Finding the Fourth Proportional to 5,367.50, 7,400.91 and 5,035.40

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Solution

The fourth proportional to 5,367.50, 7,400.91 and 5,035.40 is: 6,943.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,367.50 : 7,400.91 = 5,035.40 : x
  2. Step 2: Convert to fraction form
    5,367.50/7,400.91 = 5,035.40/x
  3. Step 3: Cross multiply
    5,367.50x = 7,400.91 × 5,035.40
  4. Step 4: Simplify right side
    5,367.50x = 37,266,542.21
  5. Step 5: Solve for x
    x = 37,266,542.21/5,367.50
  6. Step 6: Final answer
    x = 6,943.00

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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.