Home / 6,020.40-9,031.85-2,071.50

Finding the Fourth Proportional to 6,020.40, 9,031.85 and 2,071.50

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Solution

The fourth proportional to 6,020.40, 9,031.85 and 2,071.50 is: 3,107.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,020.40 : 9,031.85 = 2,071.50 : x
  2. Step 2: Convert to fraction form
    6,020.40/9,031.85 = 2,071.50/x
  3. Step 3: Cross multiply
    6,020.40x = 9,031.85 × 2,071.50
  4. Step 4: Simplify right side
    6,020.40x = 18,709,477.87
  5. Step 5: Solve for x
    x = 18,709,477.87/6,020.40
  6. Step 6: Final answer
    x = 3,107.68

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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.