Home / 7,043.65-10,565.77-2,661.45

Finding the Fourth Proportional to 7,043.65, 10,565.77 and 2,661.45

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Solution

The fourth proportional to 7,043.65, 10,565.77 and 2,661.45 is: 3,992.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,043.65 : 10,565.77 = 2,661.45 : x
  2. Step 2: Convert to fraction form
    7,043.65/10,565.77 = 2,661.45/x
  3. Step 3: Cross multiply
    7,043.65x = 10,565.77 × 2,661.45
  4. Step 4: Simplify right side
    7,043.65x = 28,120,268.57
  5. Step 5: Solve for x
    x = 28,120,268.57/7,043.65
  6. Step 6: Final answer
    x = 3,992.29

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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.