Home / 2,895.47-3,995.56-1,619.31

Finding the Fourth Proportional to 2,895.47, 3,995.56 and 1,619.31

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Solution

The fourth proportional to 2,895.47, 3,995.56 and 1,619.31 is: 2,234.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.47 : 3,995.56 = 1,619.31 : x
  2. Step 2: Convert to fraction form
    2,895.47/3,995.56 = 1,619.31/x
  3. Step 3: Cross multiply
    2,895.47x = 3,995.56 × 1,619.31
  4. Step 4: Simplify right side
    2,895.47x = 6,470,050.26
  5. Step 5: Solve for x
    x = 6,470,050.26/2,895.47
  6. Step 6: Final answer
    x = 2,234.54

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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.