Home / 2,036.71-2,811.32-1,197.39

Finding the Fourth Proportional to 2,036.71, 2,811.32 and 1,197.39

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Solution

The fourth proportional to 2,036.71, 2,811.32 and 1,197.39 is: 1,652.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036.71 : 2,811.32 = 1,197.39 : x
  2. Step 2: Convert to fraction form
    2,036.71/2,811.32 = 1,197.39/x
  3. Step 3: Cross multiply
    2,036.71x = 2,811.32 × 1,197.39
  4. Step 4: Simplify right side
    2,036.71x = 3,366,246.45
  5. Step 5: Solve for x
    x = 3,366,246.45/2,036.71
  6. Step 6: Final answer
    x = 1,652.79

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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.