Home / 2,470.92-3,405.72-1,873.23

Finding the Fourth Proportional to 2,470.92, 3,405.72 and 1,873.23

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Solution

The fourth proportional to 2,470.92, 3,405.72 and 1,873.23 is: 2,581.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470.92 : 3,405.72 = 1,873.23 : x
  2. Step 2: Convert to fraction form
    2,470.92/3,405.72 = 1,873.23/x
  3. Step 3: Cross multiply
    2,470.92x = 3,405.72 × 1,873.23
  4. Step 4: Simplify right side
    2,470.92x = 6,379,685.86
  5. Step 5: Solve for x
    x = 6,379,685.86/2,470.92
  6. Step 6: Final answer
    x = 2,581.91

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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.