Home / 7,492.82-10,339.97-4,135.55

Finding the Fourth Proportional to 7,492.82, 10,339.97 and 4,135.55

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Solution

The fourth proportional to 7,492.82, 10,339.97 and 4,135.55 is: 5,706.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,492.82 : 10,339.97 = 4,135.55 : x
  2. Step 2: Convert to fraction form
    7,492.82/10,339.97 = 4,135.55/x
  3. Step 3: Cross multiply
    7,492.82x = 10,339.97 × 4,135.55
  4. Step 4: Simplify right side
    7,492.82x = 42,761,390.56
  5. Step 5: Solve for x
    x = 42,761,390.56/7,492.82
  6. Step 6: Final answer
    x = 5,706.99

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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.