Home / 7,224.07-9,969.87-4,080.19

Finding the Fourth Proportional to 7,224.07, 9,969.87 and 4,080.19

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Solution

The fourth proportional to 7,224.07, 9,969.87 and 4,080.19 is: 5,631.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,224.07 : 9,969.87 = 4,080.19 : x
  2. Step 2: Convert to fraction form
    7,224.07/9,969.87 = 4,080.19/x
  3. Step 3: Cross multiply
    7,224.07x = 9,969.87 × 4,080.19
  4. Step 4: Simplify right side
    7,224.07x = 40,678,963.88
  5. Step 5: Solve for x
    x = 40,678,963.88/7,224.07
  6. Step 6: Final answer
    x = 5,631.03

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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.