Home / 5,393.34-7,440.30-3,504.78

Finding the Fourth Proportional to 5,393.34, 7,440.30 and 3,504.78

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Solution

The fourth proportional to 5,393.34, 7,440.30 and 3,504.78 is: 4,834.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.34 : 7,440.30 = 3,504.78 : x
  2. Step 2: Convert to fraction form
    5,393.34/7,440.30 = 3,504.78/x
  3. Step 3: Cross multiply
    5,393.34x = 7,440.30 × 3,504.78
  4. Step 4: Simplify right side
    5,393.34x = 26,076,614.63
  5. Step 5: Solve for x
    x = 26,076,614.63/5,393.34
  6. Step 6: Final answer
    x = 4,834.97

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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.