Home / 3,347.08-4,618.02-1,949.56

Finding the Fourth Proportional to 3,347.08, 4,618.02 and 1,949.56

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Solution

The fourth proportional to 3,347.08, 4,618.02 and 1,949.56 is: 2,689.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.08 : 4,618.02 = 1,949.56 : x
  2. Step 2: Convert to fraction form
    3,347.08/4,618.02 = 1,949.56/x
  3. Step 3: Cross multiply
    3,347.08x = 4,618.02 × 1,949.56
  4. Step 4: Simplify right side
    3,347.08x = 9,003,107.07
  5. Step 5: Solve for x
    x = 9,003,107.07/3,347.08
  6. Step 6: Final answer
    x = 2,689.84

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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.