Home / 3,453.08-5,177.06-1,111.76

Finding the Fourth Proportional to 3,453.08, 5,177.06 and 1,111.76

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Solution

The fourth proportional to 3,453.08, 5,177.06 and 1,111.76 is: 1,666.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.08 : 5,177.06 = 1,111.76 : x
  2. Step 2: Convert to fraction form
    3,453.08/5,177.06 = 1,111.76/x
  3. Step 3: Cross multiply
    3,453.08x = 5,177.06 × 1,111.76
  4. Step 4: Simplify right side
    3,453.08x = 5,755,642.67
  5. Step 5: Solve for x
    x = 5,755,642.67/3,453.08
  6. Step 6: Final answer
    x = 1,666.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.