Home / 7,400.51-11,100.83-2,470.13

Finding the Fourth Proportional to 7,400.51, 11,100.83 and 2,470.13

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Solution

The fourth proportional to 7,400.51, 11,100.83 and 2,470.13 is: 3,705.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.51 : 11,100.83 = 2,470.13 : x
  2. Step 2: Convert to fraction form
    7,400.51/11,100.83 = 2,470.13/x
  3. Step 3: Cross multiply
    7,400.51x = 11,100.83 × 2,470.13
  4. Step 4: Simplify right side
    7,400.51x = 27,420,425.35
  5. Step 5: Solve for x
    x = 27,420,425.35/7,400.51
  6. Step 6: Final answer
    x = 3,705.21

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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.