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Finding the Fourth Proportional to 2,894.10, 4,337.10 and 2,545.80

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Solution

The fourth proportional to 2,894.10, 4,337.10 and 2,545.80 is: 3,815.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894.10 : 4,337.10 = 2,545.80 : x
  2. Step 2: Convert to fraction form
    2,894.10/4,337.10 = 2,545.80/x
  3. Step 3: Cross multiply
    2,894.10x = 4,337.10 × 2,545.80
  4. Step 4: Simplify right side
    2,894.10x = 11,041,389.18
  5. Step 5: Solve for x
    x = 11,041,389.18/2,894.10
  6. Step 6: Final answer
    x = 3,815.14

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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.