Home / 2,345.83-3,252.04-2,220.99

Finding the Fourth Proportional to 2,345.83, 3,252.04 and 2,220.99

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Solution

The fourth proportional to 2,345.83, 3,252.04 and 2,220.99 is: 3,078.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.83 : 3,252.04 = 2,220.99 : x
  2. Step 2: Convert to fraction form
    2,345.83/3,252.04 = 2,220.99/x
  3. Step 3: Cross multiply
    2,345.83x = 3,252.04 × 2,220.99
  4. Step 4: Simplify right side
    2,345.83x = 7,222,730.57
  5. Step 5: Solve for x
    x = 7,222,730.57/2,345.83
  6. Step 6: Final answer
    x = 3,078.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.