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Finding the Fourth Proportional to 3,033.87, 4,187.53 and 1,855.92

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Solution

The fourth proportional to 3,033.87, 4,187.53 and 1,855.92 is: 2,561.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,033.87 : 4,187.53 = 1,855.92 : x
  2. Step 2: Convert to fraction form
    3,033.87/4,187.53 = 1,855.92/x
  3. Step 3: Cross multiply
    3,033.87x = 4,187.53 × 1,855.92
  4. Step 4: Simplify right side
    3,033.87x = 7,771,711.40
  5. Step 5: Solve for x
    x = 7,771,711.40/3,033.87
  6. Step 6: Final answer
    x = 2,561.65

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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.