Home / 7,495.49-10,343.82-4,138.24

Finding the Fourth Proportional to 7,495.49, 10,343.82 and 4,138.24

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Solution

The fourth proportional to 7,495.49, 10,343.82 and 4,138.24 is: 5,710.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,495.49 : 10,343.82 = 4,138.24 : x
  2. Step 2: Convert to fraction form
    7,495.49/10,343.82 = 4,138.24/x
  3. Step 3: Cross multiply
    7,495.49x = 10,343.82 × 4,138.24
  4. Step 4: Simplify right side
    7,495.49x = 42,805,188.99
  5. Step 5: Solve for x
    x = 42,805,188.99/7,495.49
  6. Step 6: Final answer
    x = 5,710.79

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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.