Home / 7,042.32-10,565.84-2,661.04

Finding the Fourth Proportional to 7,042.32, 10,565.84 and 2,661.04

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Solution

The fourth proportional to 7,042.32, 10,565.84 and 2,661.04 is: 3,992.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.32 : 10,565.84 = 2,661.04 : x
  2. Step 2: Convert to fraction form
    7,042.32/10,565.84 = 2,661.04/x
  3. Step 3: Cross multiply
    7,042.32x = 10,565.84 × 2,661.04
  4. Step 4: Simplify right side
    7,042.32x = 28,116,122.87
  5. Step 5: Solve for x
    x = 28,116,122.87/7,042.32
  6. Step 6: Final answer
    x = 3,992.45

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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.