Home / 2,927.36-4,040.52-1,932.68

Finding the Fourth Proportional to 2,927.36, 4,040.52 and 1,932.68

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Solution

The fourth proportional to 2,927.36, 4,040.52 and 1,932.68 is: 2,667.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.36 : 4,040.52 = 1,932.68 : x
  2. Step 2: Convert to fraction form
    2,927.36/4,040.52 = 1,932.68/x
  3. Step 3: Cross multiply
    2,927.36x = 4,040.52 × 1,932.68
  4. Step 4: Simplify right side
    2,927.36x = 7,809,032.19
  5. Step 5: Solve for x
    x = 7,809,032.19/2,927.36
  6. Step 6: Final answer
    x = 2,667.60

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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.