Home / 5,143.49-7,098.54-3,709.03

Finding the Fourth Proportional to 5,143.49, 7,098.54 and 3,709.03

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Solution

The fourth proportional to 5,143.49, 7,098.54 and 3,709.03 is: 5,118.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143.49 : 7,098.54 = 3,709.03 : x
  2. Step 2: Convert to fraction form
    5,143.49/7,098.54 = 3,709.03/x
  3. Step 3: Cross multiply
    5,143.49x = 7,098.54 × 3,709.03
  4. Step 4: Simplify right side
    5,143.49x = 26,328,679.27
  5. Step 5: Solve for x
    x = 26,328,679.27/5,143.49
  6. Step 6: Final answer
    x = 5,118.84

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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.