Home / 1,591.11-2,196.32-1,197.45

Finding the Fourth Proportional to 1,591.11, 2,196.32 and 1,197.45

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Solution

The fourth proportional to 1,591.11, 2,196.32 and 1,197.45 is: 1,652.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591.11 : 2,196.32 = 1,197.45 : x
  2. Step 2: Convert to fraction form
    1,591.11/2,196.32 = 1,197.45/x
  3. Step 3: Cross multiply
    1,591.11x = 2,196.32 × 1,197.45
  4. Step 4: Simplify right side
    1,591.11x = 2,629,983.38
  5. Step 5: Solve for x
    x = 2,629,983.38/1,591.11
  6. Step 6: Final answer
    x = 1,652.92

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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.