Home / 7,390.12-10,198.33-4,032.91

Finding the Fourth Proportional to 7,390.12, 10,198.33 and 4,032.91

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Solution

The fourth proportional to 7,390.12, 10,198.33 and 4,032.91 is: 5,565.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.12 : 10,198.33 = 4,032.91 : x
  2. Step 2: Convert to fraction form
    7,390.12/10,198.33 = 4,032.91/x
  3. Step 3: Cross multiply
    7,390.12x = 10,198.33 × 4,032.91
  4. Step 4: Simplify right side
    7,390.12x = 41,128,947.04
  5. Step 5: Solve for x
    x = 41,128,947.04/7,390.12
  6. Step 6: Final answer
    x = 5,565.40

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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.