Home / 5,326.09-7,350.55-3,087.86

Finding the Fourth Proportional to 5,326.09, 7,350.55 and 3,087.86

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Solution

The fourth proportional to 5,326.09, 7,350.55 and 3,087.86 is: 4,261.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.09 : 7,350.55 = 3,087.86 : x
  2. Step 2: Convert to fraction form
    5,326.09/7,350.55 = 3,087.86/x
  3. Step 3: Cross multiply
    5,326.09x = 7,350.55 × 3,087.86
  4. Step 4: Simplify right side
    5,326.09x = 22,697,424.85
  5. Step 5: Solve for x
    x = 22,697,424.85/5,326.09
  6. Step 6: Final answer
    x = 4,261.56

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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.