Home / 5,920.10-8,880.15-3,731.30

Finding the Fourth Proportional to 5,920.10, 8,880.15 and 3,731.30

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Solution

The fourth proportional to 5,920.10, 8,880.15 and 3,731.30 is: 5,596.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.10 : 8,880.15 = 3,731.30 : x
  2. Step 2: Convert to fraction form
    5,920.10/8,880.15 = 3,731.30/x
  3. Step 3: Cross multiply
    5,920.10x = 8,880.15 × 3,731.30
  4. Step 4: Simplify right side
    5,920.10x = 33,134,503.70
  5. Step 5: Solve for x
    x = 33,134,503.70/5,920.10
  6. Step 6: Final answer
    x = 5,596.95

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1.5x scale

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.