Home / 3,162.47-4,364.60-1,836.25

Finding the Fourth Proportional to 3,162.47, 4,364.60 and 1,836.25

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Solution

The fourth proportional to 3,162.47, 4,364.60 and 1,836.25 is: 2,534.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.47 : 4,364.60 = 1,836.25 : x
  2. Step 2: Convert to fraction form
    3,162.47/4,364.60 = 1,836.25/x
  3. Step 3: Cross multiply
    3,162.47x = 4,364.60 × 1,836.25
  4. Step 4: Simplify right side
    3,162.47x = 8,014,476.66
  5. Step 5: Solve for x
    x = 8,014,476.66/3,162.47
  6. Step 6: Final answer
    x = 2,534.25

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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.