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Finding the Fourth Proportional to 4,798.09, 7,196.50 and 1,511.20

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Solution

The fourth proportional to 4,798.09, 7,196.50 and 1,511.20 is: 2,266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,798.09 : 7,196.50 = 1,511.20 : x
  2. Step 2: Convert to fraction form
    4,798.09/7,196.50 = 1,511.20/x
  3. Step 3: Cross multiply
    4,798.09x = 7,196.50 × 1,511.20
  4. Step 4: Simplify right side
    4,798.09x = 10,875,350.80
  5. Step 5: Solve for x
    x = 10,875,350.80/4,798.09
  6. Step 6: Final answer
    x = 2,266.60

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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.