Home / 3,066.16-4,231.22-1,790.28

Finding the Fourth Proportional to 3,066.16, 4,231.22 and 1,790.28

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Solution

The fourth proportional to 3,066.16, 4,231.22 and 1,790.28 is: 2,470.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.16 : 4,231.22 = 1,790.28 : x
  2. Step 2: Convert to fraction form
    3,066.16/4,231.22 = 1,790.28/x
  3. Step 3: Cross multiply
    3,066.16x = 4,231.22 × 1,790.28
  4. Step 4: Simplify right side
    3,066.16x = 7,575,068.54
  5. Step 5: Solve for x
    x = 7,575,068.54/3,066.16
  6. Step 6: Final answer
    x = 2,470.54

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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.