Home / 3,113.44-4,295.18-2,036.80

Finding the Fourth Proportional to 3,113.44, 4,295.18 and 2,036.80

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Solution

The fourth proportional to 3,113.44, 4,295.18 and 2,036.80 is: 2,809.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.44 : 4,295.18 = 2,036.80 : x
  2. Step 2: Convert to fraction form
    3,113.44/4,295.18 = 2,036.80/x
  3. Step 3: Cross multiply
    3,113.44x = 4,295.18 × 2,036.80
  4. Step 4: Simplify right side
    3,113.44x = 8,748,397.47
  5. Step 5: Solve for x
    x = 8,748,397.47/3,113.44
  6. Step 6: Final answer
    x = 2,809.88

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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.