Home / 5,727.67-7,904.21-3,737.05

Finding the Fourth Proportional to 5,727.67, 7,904.21 and 3,737.05

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Solution

The fourth proportional to 5,727.67, 7,904.21 and 3,737.05 is: 5,157.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,727.67 : 7,904.21 = 3,737.05 : x
  2. Step 2: Convert to fraction form
    5,727.67/7,904.21 = 3,737.05/x
  3. Step 3: Cross multiply
    5,727.67x = 7,904.21 × 3,737.05
  4. Step 4: Simplify right side
    5,727.67x = 29,538,417.56
  5. Step 5: Solve for x
    x = 29,538,417.56/5,727.67
  6. Step 6: Final answer
    x = 5,157.15

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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.