Home / 3,498.12-5,247.52-1,125.59

Finding the Fourth Proportional to 3,498.12, 5,247.52 and 1,125.59

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Solution

The fourth proportional to 3,498.12, 5,247.52 and 1,125.59 is: 1,688.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498.12 : 5,247.52 = 1,125.59 : x
  2. Step 2: Convert to fraction form
    3,498.12/5,247.52 = 1,125.59/x
  3. Step 3: Cross multiply
    3,498.12x = 5,247.52 × 1,125.59
  4. Step 4: Simplify right side
    3,498.12x = 5,906,526.99
  5. Step 5: Solve for x
    x = 5,906,526.99/3,498.12
  6. Step 6: Final answer
    x = 1,688.49

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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.