Home / 7,492.38-10,339.41-4,135.22

Finding the Fourth Proportional to 7,492.38, 10,339.41 and 4,135.22

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Solution

The fourth proportional to 7,492.38, 10,339.41 and 4,135.22 is: 5,706.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,492.38 : 10,339.41 = 4,135.22 : x
  2. Step 2: Convert to fraction form
    7,492.38/10,339.41 = 4,135.22/x
  3. Step 3: Cross multiply
    7,492.38x = 10,339.41 × 4,135.22
  4. Step 4: Simplify right side
    7,492.38x = 42,755,737.60
  5. Step 5: Solve for x
    x = 42,755,737.60/7,492.38
  6. Step 6: Final answer
    x = 5,706.56

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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.