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Finding the Fourth Proportional to 5,699.58, 7,869.87 and 4,371.18

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Solution

The fourth proportional to 5,699.58, 7,869.87 and 4,371.18 is: 6,035.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,699.58 : 7,869.87 = 4,371.18 : x
  2. Step 2: Convert to fraction form
    5,699.58/7,869.87 = 4,371.18/x
  3. Step 3: Cross multiply
    5,699.58x = 7,869.87 × 4,371.18
  4. Step 4: Simplify right side
    5,699.58x = 34,400,618.35
  5. Step 5: Solve for x
    x = 34,400,618.35/5,699.58
  6. Step 6: Final answer
    x = 6,035.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.