Home / 3,057.84-4,218.66-1,798.74

Finding the Fourth Proportional to 3,057.84, 4,218.66 and 1,798.74

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Solution

The fourth proportional to 3,057.84, 4,218.66 and 1,798.74 is: 2,481.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.84 : 4,218.66 = 1,798.74 : x
  2. Step 2: Convert to fraction form
    3,057.84/4,218.66 = 1,798.74/x
  3. Step 3: Cross multiply
    3,057.84x = 4,218.66 × 1,798.74
  4. Step 4: Simplify right side
    3,057.84x = 7,588,272.49
  5. Step 5: Solve for x
    x = 7,588,272.49/3,057.84
  6. Step 6: Final answer
    x = 2,481.58

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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.