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Finding the Fourth Proportional to 7,371.63, 10,175.00 and 4,501.40

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Solution

The fourth proportional to 7,371.63, 10,175.00 and 4,501.40 is: 6,213.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.63 : 10,175.00 = 4,501.40 : x
  2. Step 2: Convert to fraction form
    7,371.63/10,175.00 = 4,501.40/x
  3. Step 3: Cross multiply
    7,371.63x = 10,175.00 × 4,501.40
  4. Step 4: Simplify right side
    7,371.63x = 45,801,671.62
  5. Step 5: Solve for x
    x = 45,801,671.62/7,371.63
  6. Step 6: Final answer
    x = 6,213.24

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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.