Home / 3,034.09-4,185.63-1,775.20

Finding the Fourth Proportional to 3,034.09, 4,185.63 and 1,775.20

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Solution

The fourth proportional to 3,034.09, 4,185.63 and 1,775.20 is: 2,448.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,034.09 : 4,185.63 = 1,775.20 : x
  2. Step 2: Convert to fraction form
    3,034.09/4,185.63 = 1,775.20/x
  3. Step 3: Cross multiply
    3,034.09x = 4,185.63 × 1,775.20
  4. Step 4: Simplify right side
    3,034.09x = 7,430,309.45
  5. Step 5: Solve for x
    x = 7,430,309.45/3,034.09
  6. Step 6: Final answer
    x = 2,448.95

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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.