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Finding the Fourth Proportional to 4,095.90, 6,143.94 and 1,017.90

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Solution

The fourth proportional to 4,095.90, 6,143.94 and 1,017.90 is: 1,526.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,095.90 : 6,143.94 = 1,017.90 : x
  2. Step 2: Convert to fraction form
    4,095.90/6,143.94 = 1,017.90/x
  3. Step 3: Cross multiply
    4,095.90x = 6,143.94 × 1,017.90
  4. Step 4: Simplify right side
    4,095.90x = 6,253,916.53
  5. Step 5: Solve for x
    x = 6,253,916.53/4,095.90
  6. Step 6: Final answer
    x = 1,526.87

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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.