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Finding the Fourth Proportional to 3,853.17, 5,779.71 and 1,544.67

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Solution

The fourth proportional to 3,853.17, 5,779.71 and 1,544.67 is: 2,316.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853.17 : 5,779.71 = 1,544.67 : x
  2. Step 2: Convert to fraction form
    3,853.17/5,779.71 = 1,544.67/x
  3. Step 3: Cross multiply
    3,853.17x = 5,779.71 × 1,544.67
  4. Step 4: Simplify right side
    3,853.17x = 8,927,744.65
  5. Step 5: Solve for x
    x = 8,927,744.65/3,853.17
  6. Step 6: Final answer
    x = 2,316.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.