Home / 3,619.35-4,995-2,047.74

Finding the Fourth Proportional to 3,619.35, 4,995 and 2,047.74

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Solution

The fourth proportional to 3,619.35, 4,995 and 2,047.74 is: 2,826.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.35 : 4,995 = 2,047.74 : x
  2. Step 2: Convert to fraction form
    3,619.35/4,995 = 2,047.74/x
  3. Step 3: Cross multiply
    3,619.35x = 4,995 × 2,047.74
  4. Step 4: Simplify right side
    3,619.35x = 10,228,461.30
  5. Step 5: Solve for x
    x = 10,228,461.30/3,619.35
  6. Step 6: Final answer
    x = 2,826.05

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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.