Home / 3,670.36-5,501.43-1,587.94

Finding the Fourth Proportional to 3,670.36, 5,501.43 and 1,587.94

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Solution

The fourth proportional to 3,670.36, 5,501.43 and 1,587.94 is: 2,380.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.36 : 5,501.43 = 1,587.94 : x
  2. Step 2: Convert to fraction form
    3,670.36/5,501.43 = 1,587.94/x
  3. Step 3: Cross multiply
    3,670.36x = 5,501.43 × 1,587.94
  4. Step 4: Simplify right side
    3,670.36x = 8,735,940.75
  5. Step 5: Solve for x
    x = 8,735,940.75/3,670.36
  6. Step 6: Final answer
    x = 2,380.13

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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.