Home / 3,215.15-4,437.38-2,036.33

Finding the Fourth Proportional to 3,215.15, 4,437.38 and 2,036.33

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Solution

The fourth proportional to 3,215.15, 4,437.38 and 2,036.33 is: 2,810.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.15 : 4,437.38 = 2,036.33 : x
  2. Step 2: Convert to fraction form
    3,215.15/4,437.38 = 2,036.33/x
  3. Step 3: Cross multiply
    3,215.15x = 4,437.38 × 2,036.33
  4. Step 4: Simplify right side
    3,215.15x = 9,035,970.02
  5. Step 5: Solve for x
    x = 9,035,970.02/3,215.15
  6. Step 6: Final answer
    x = 2,810.43

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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.