Home / 7,299.54-10,073.36-3,942.35

Finding the Fourth Proportional to 7,299.54, 10,073.36 and 3,942.35

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Solution

The fourth proportional to 7,299.54, 10,073.36 and 3,942.35 is: 5,440.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,299.54 : 10,073.36 = 3,942.35 : x
  2. Step 2: Convert to fraction form
    7,299.54/10,073.36 = 3,942.35/x
  3. Step 3: Cross multiply
    7,299.54x = 10,073.36 × 3,942.35
  4. Step 4: Simplify right side
    7,299.54x = 39,712,743.47
  5. Step 5: Solve for x
    x = 39,712,743.47/7,299.54
  6. Step 6: Final answer
    x = 5,440.45

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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.