Home / 5,336.48-7,364.39-2,978.63

Finding the Fourth Proportional to 5,336.48, 7,364.39 and 2,978.63

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Solution

The fourth proportional to 5,336.48, 7,364.39 and 2,978.63 is: 4,110.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,336.48 : 7,364.39 = 2,978.63 : x
  2. Step 2: Convert to fraction form
    5,336.48/7,364.39 = 2,978.63/x
  3. Step 3: Cross multiply
    5,336.48x = 7,364.39 × 2,978.63
  4. Step 4: Simplify right side
    5,336.48x = 21,935,792.99
  5. Step 5: Solve for x
    x = 21,935,792.99/5,336.48
  6. Step 6: Final answer
    x = 4,110.54

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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.