Home / 3,499.20-4,828.72-1,927.24

Finding the Fourth Proportional to 3,499.20, 4,828.72 and 1,927.24

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Solution

The fourth proportional to 3,499.20, 4,828.72 and 1,927.24 is: 2,659.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499.20 : 4,828.72 = 1,927.24 : x
  2. Step 2: Convert to fraction form
    3,499.20/4,828.72 = 1,927.24/x
  3. Step 3: Cross multiply
    3,499.20x = 4,828.72 × 1,927.24
  4. Step 4: Simplify right side
    3,499.20x = 9,306,102.33
  5. Step 5: Solve for x
    x = 9,306,102.33/3,499.20
  6. Step 6: Final answer
    x = 2,659.49

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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.