Home / 3,348.28-4,620.89-1,856.49

Finding the Fourth Proportional to 3,348.28, 4,620.89 and 1,856.49

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Solution

The fourth proportional to 3,348.28, 4,620.89 and 1,856.49 is: 2,562.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.28 : 4,620.89 = 1,856.49 : x
  2. Step 2: Convert to fraction form
    3,348.28/4,620.89 = 1,856.49/x
  3. Step 3: Cross multiply
    3,348.28x = 4,620.89 × 1,856.49
  4. Step 4: Simplify right side
    3,348.28x = 8,578,610.34
  5. Step 5: Solve for x
    x = 8,578,610.34/3,348.28
  6. Step 6: Final answer
    x = 2,562.10

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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.