Home / 3,305.16-4,561.32-2,185.32

Finding the Fourth Proportional to 3,305.16, 4,561.32 and 2,185.32

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Solution

The fourth proportional to 3,305.16, 4,561.32 and 2,185.32 is: 3,015.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.16 : 4,561.32 = 2,185.32 : x
  2. Step 2: Convert to fraction form
    3,305.16/4,561.32 = 2,185.32/x
  3. Step 3: Cross multiply
    3,305.16x = 4,561.32 × 2,185.32
  4. Step 4: Simplify right side
    3,305.16x = 9,967,943.82
  5. Step 5: Solve for x
    x = 9,967,943.82/3,305.16
  6. Step 6: Final answer
    x = 3,015.87

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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.