Home / 5,790.51-7,992.81-3,521.84

Finding the Fourth Proportional to 5,790.51, 7,992.81 and 3,521.84

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Solution

The fourth proportional to 5,790.51, 7,992.81 and 3,521.84 is: 4,861.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.51 : 7,992.81 = 3,521.84 : x
  2. Step 2: Convert to fraction form
    5,790.51/7,992.81 = 3,521.84/x
  3. Step 3: Cross multiply
    5,790.51x = 7,992.81 × 3,521.84
  4. Step 4: Simplify right side
    5,790.51x = 28,149,358.01
  5. Step 5: Solve for x
    x = 28,149,358.01/5,790.51
  6. Step 6: Final answer
    x = 4,861.29

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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.