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Finding the Fourth Proportional to 3,861.51, 5,331.51 and 2,537.52

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Solution

The fourth proportional to 3,861.51, 5,331.51 and 2,537.52 is: 3,503.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.51 : 5,331.51 = 2,537.52 : x
  2. Step 2: Convert to fraction form
    3,861.51/5,331.51 = 2,537.52/x
  3. Step 3: Cross multiply
    3,861.51x = 5,331.51 × 2,537.52
  4. Step 4: Simplify right side
    3,861.51x = 13,528,813.26
  5. Step 5: Solve for x
    x = 13,528,813.26/3,861.51
  6. Step 6: Final answer
    x = 3,503.50

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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.