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Finding the Fourth Proportional to 5,858.85, 8,085.15 and 3,340.98

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Solution

The fourth proportional to 5,858.85, 8,085.15 and 3,340.98 is: 4,610.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,858.85 : 8,085.15 = 3,340.98 : x
  2. Step 2: Convert to fraction form
    5,858.85/8,085.15 = 3,340.98/x
  3. Step 3: Cross multiply
    5,858.85x = 8,085.15 × 3,340.98
  4. Step 4: Simplify right side
    5,858.85x = 27,012,324.45
  5. Step 5: Solve for x
    x = 27,012,324.45/5,858.85
  6. Step 6: Final answer
    x = 4,610.52

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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.