Home / 7,370.90-10,172.03-4,013.85

Finding the Fourth Proportional to 7,370.90, 10,172.03 and 4,013.85

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Solution

The fourth proportional to 7,370.90, 10,172.03 and 4,013.85 is: 5,539.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,370.90 : 10,172.03 = 4,013.85 : x
  2. Step 2: Convert to fraction form
    7,370.90/10,172.03 = 4,013.85/x
  3. Step 3: Cross multiply
    7,370.90x = 10,172.03 × 4,013.85
  4. Step 4: Simplify right side
    7,370.90x = 40,829,002.62
  5. Step 5: Solve for x
    x = 40,829,002.62/7,370.90
  6. Step 6: Final answer
    x = 5,539.22

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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.