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Finding the Fourth Proportional to 3,259.50, 4,890.15 and 951

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Solution

The fourth proportional to 3,259.50, 4,890.15 and 951 is: 1,426.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259.50 : 4,890.15 = 951 : x
  2. Step 2: Convert to fraction form
    3,259.50/4,890.15 = 951/x
  3. Step 3: Cross multiply
    3,259.50x = 4,890.15 × 951
  4. Step 4: Simplify right side
    3,259.50x = 4,650,532.65
  5. Step 5: Solve for x
    x = 4,650,532.65/3,259.50
  6. Step 6: Final answer
    x = 1,426.76

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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.