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Finding the Fourth Proportional to 3,925.16, 5,890.04 and 1,461.72

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Solution

The fourth proportional to 3,925.16, 5,890.04 and 1,461.72 is: 2,193.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.16 : 5,890.04 = 1,461.72 : x
  2. Step 2: Convert to fraction form
    3,925.16/5,890.04 = 1,461.72/x
  3. Step 3: Cross multiply
    3,925.16x = 5,890.04 × 1,461.72
  4. Step 4: Simplify right side
    3,925.16x = 8,609,581.96
  5. Step 5: Solve for x
    x = 8,609,581.96/3,925.16
  6. Step 6: Final answer
    x = 2,193.44

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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.