Home / 7,390.29-10,198.45-4,033.02

Finding the Fourth Proportional to 7,390.29, 10,198.45 and 4,033.02

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Solution

The fourth proportional to 7,390.29, 10,198.45 and 4,033.02 is: 5,565.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.29 : 10,198.45 = 4,033.02 : x
  2. Step 2: Convert to fraction form
    7,390.29/10,198.45 = 4,033.02/x
  3. Step 3: Cross multiply
    7,390.29x = 10,198.45 × 4,033.02
  4. Step 4: Simplify right side
    7,390.29x = 41,130,552.82
  5. Step 5: Solve for x
    x = 41,130,552.82/7,390.29
  6. Step 6: Final answer
    x = 5,565.49

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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.