Home / 7,210.51-10,816.83-2,279.03

Finding the Fourth Proportional to 7,210.51, 10,816.83 and 2,279.03

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Solution

The fourth proportional to 7,210.51, 10,816.83 and 2,279.03 is: 3,418.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.51 : 10,816.83 = 2,279.03 : x
  2. Step 2: Convert to fraction form
    7,210.51/10,816.83 = 2,279.03/x
  3. Step 3: Cross multiply
    7,210.51x = 10,816.83 × 2,279.03
  4. Step 4: Simplify right side
    7,210.51x = 24,651,880.07
  5. Step 5: Solve for x
    x = 24,651,880.07/7,210.51
  6. Step 6: Final answer
    x = 3,418.88

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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.