Home / 3,345.22-4,616.19-1,853.28

Finding the Fourth Proportional to 3,345.22, 4,616.19 and 1,853.28

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Solution

The fourth proportional to 3,345.22, 4,616.19 and 1,853.28 is: 2,557.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.22 : 4,616.19 = 1,853.28 : x
  2. Step 2: Convert to fraction form
    3,345.22/4,616.19 = 1,853.28/x
  3. Step 3: Cross multiply
    3,345.22x = 4,616.19 × 1,853.28
  4. Step 4: Simplify right side
    3,345.22x = 8,555,092.60
  5. Step 5: Solve for x
    x = 8,555,092.60/3,345.22
  6. Step 6: Final answer
    x = 2,557.40

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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.