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Finding the Fourth Proportional to 5,890.68, 8,836.98 and 1,940.76

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Solution

The fourth proportional to 5,890.68, 8,836.98 and 1,940.76 is: 2,911.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.68 : 8,836.98 = 1,940.76 : x
  2. Step 2: Convert to fraction form
    5,890.68/8,836.98 = 1,940.76/x
  3. Step 3: Cross multiply
    5,890.68x = 8,836.98 × 1,940.76
  4. Step 4: Simplify right side
    5,890.68x = 17,150,457.30
  5. Step 5: Solve for x
    x = 17,150,457.30/5,890.68
  6. Step 6: Final answer
    x = 2,911.46

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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.