Home / 6,655.86-9,185.55-3,823.70

Finding the Fourth Proportional to 6,655.86, 9,185.55 and 3,823.70

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Solution

The fourth proportional to 6,655.86, 9,185.55 and 3,823.70 is: 5,276.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,655.86 : 9,185.55 = 3,823.70 : x
  2. Step 2: Convert to fraction form
    6,655.86/9,185.55 = 3,823.70/x
  3. Step 3: Cross multiply
    6,655.86x = 9,185.55 × 3,823.70
  4. Step 4: Simplify right side
    6,655.86x = 35,122,741.61
  5. Step 5: Solve for x
    x = 35,122,741.61/6,655.86
  6. Step 6: Final answer
    x = 5,276.97

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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.