Home / 7,041.61-10,565.25-2,660.32

Finding the Fourth Proportional to 7,041.61, 10,565.25 and 2,660.32

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Solution

The fourth proportional to 7,041.61, 10,565.25 and 2,660.32 is: 3,991.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041.61 : 10,565.25 = 2,660.32 : x
  2. Step 2: Convert to fraction form
    7,041.61/10,565.25 = 2,660.32/x
  3. Step 3: Cross multiply
    7,041.61x = 10,565.25 × 2,660.32
  4. Step 4: Simplify right side
    7,041.61x = 28,106,945.88
  5. Step 5: Solve for x
    x = 28,106,945.88/7,041.61
  6. Step 6: Final answer
    x = 3,991.55

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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.