Home / 2,895.09-3,995.22-1,568.79

Finding the Fourth Proportional to 2,895.09, 3,995.22 and 1,568.79

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Solution

The fourth proportional to 2,895.09, 3,995.22 and 1,568.79 is: 2,164.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.09 : 3,995.22 = 1,568.79 : x
  2. Step 2: Convert to fraction form
    2,895.09/3,995.22 = 1,568.79/x
  3. Step 3: Cross multiply
    2,895.09x = 3,995.22 × 1,568.79
  4. Step 4: Simplify right side
    2,895.09x = 6,267,664.13
  5. Step 5: Solve for x
    x = 6,267,664.13/2,895.09
  6. Step 6: Final answer
    x = 2,164.93

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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.