Home / 4,345.13-6,518.37-1,422.74

Finding the Fourth Proportional to 4,345.13, 6,518.37 and 1,422.74

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Solution

The fourth proportional to 4,345.13, 6,518.37 and 1,422.74 is: 2,134.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345.13 : 6,518.37 = 1,422.74 : x
  2. Step 2: Convert to fraction form
    4,345.13/6,518.37 = 1,422.74/x
  3. Step 3: Cross multiply
    4,345.13x = 6,518.37 × 1,422.74
  4. Step 4: Simplify right side
    4,345.13x = 9,273,945.73
  5. Step 5: Solve for x
    x = 9,273,945.73/4,345.13
  6. Step 6: Final answer
    x = 2,134.33

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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.