Home / 3,218.08-4,442.94-2,470.58

Finding the Fourth Proportional to 3,218.08, 4,442.94 and 2,470.58

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Solution

The fourth proportional to 3,218.08, 4,442.94 and 2,470.58 is: 3,410.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.08 : 4,442.94 = 2,470.58 : x
  2. Step 2: Convert to fraction form
    3,218.08/4,442.94 = 2,470.58/x
  3. Step 3: Cross multiply
    3,218.08x = 4,442.94 × 2,470.58
  4. Step 4: Simplify right side
    3,218.08x = 10,976,638.71
  5. Step 5: Solve for x
    x = 10,976,638.71/3,218.08
  6. Step 6: Final answer
    x = 3,410.93

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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.