Home / 7,400.44-10,207.92-5,628.16

Finding the Fourth Proportional to 7,400.44, 10,207.92 and 5,628.16

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Solution

The fourth proportional to 7,400.44, 10,207.92 and 5,628.16 is: 7,763.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.44 : 10,207.92 = 5,628.16 : x
  2. Step 2: Convert to fraction form
    7,400.44/10,207.92 = 5,628.16/x
  3. Step 3: Cross multiply
    7,400.44x = 10,207.92 × 5,628.16
  4. Step 4: Simplify right side
    7,400.44x = 57,451,807.03
  5. Step 5: Solve for x
    x = 57,451,807.03/7,400.44
  6. Step 6: Final answer
    x = 7,763.30

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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.