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Finding the Fourth Proportional to 3,497.48, 4,826.48 and 1,985.33

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Solution

The fourth proportional to 3,497.48, 4,826.48 and 1,985.33 is: 2,739.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,497.48 : 4,826.48 = 1,985.33 : x
  2. Step 2: Convert to fraction form
    3,497.48/4,826.48 = 1,985.33/x
  3. Step 3: Cross multiply
    3,497.48x = 4,826.48 × 1,985.33
  4. Step 4: Simplify right side
    3,497.48x = 9,582,136.37
  5. Step 5: Solve for x
    x = 9,582,136.37/3,497.48
  6. Step 6: Final answer
    x = 2,739.72

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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.