Home / 4,980.14-7,470.23-2,206.07

Finding the Fourth Proportional to 4,980.14, 7,470.23 and 2,206.07

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Solution

The fourth proportional to 4,980.14, 7,470.23 and 2,206.07 is: 3,309.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.14 : 7,470.23 = 2,206.07 : x
  2. Step 2: Convert to fraction form
    4,980.14/7,470.23 = 2,206.07/x
  3. Step 3: Cross multiply
    4,980.14x = 7,470.23 × 2,206.07
  4. Step 4: Simplify right side
    4,980.14x = 16,479,801.91
  5. Step 5: Solve for x
    x = 16,479,801.91/4,980.14
  6. Step 6: Final answer
    x = 3,309.10

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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.