Home / 3,074.47-4,243.12-1,748.37

Finding the Fourth Proportional to 3,074.47, 4,243.12 and 1,748.37

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Solution

The fourth proportional to 3,074.47, 4,243.12 and 1,748.37 is: 2,412.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.47 : 4,243.12 = 1,748.37 : x
  2. Step 2: Convert to fraction form
    3,074.47/4,243.12 = 1,748.37/x
  3. Step 3: Cross multiply
    3,074.47x = 4,243.12 × 1,748.37
  4. Step 4: Simplify right side
    3,074.47x = 7,418,543.71
  5. Step 5: Solve for x
    x = 7,418,543.71/3,074.47
  6. Step 6: Final answer
    x = 2,412.95

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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.