Home / 3,518.89-4,856.04-1,947.07

Finding the Fourth Proportional to 3,518.89, 4,856.04 and 1,947.07

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Solution

The fourth proportional to 3,518.89, 4,856.04 and 1,947.07 is: 2,686.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.89 : 4,856.04 = 1,947.07 : x
  2. Step 2: Convert to fraction form
    3,518.89/4,856.04 = 1,947.07/x
  3. Step 3: Cross multiply
    3,518.89x = 4,856.04 × 1,947.07
  4. Step 4: Simplify right side
    3,518.89x = 9,455,049.80
  5. Step 5: Solve for x
    x = 9,455,049.80/3,518.89
  6. Step 6: Final answer
    x = 2,686.94

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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.