Home / 5,398.90-7,451.02-3,274.36

Finding the Fourth Proportional to 5,398.90, 7,451.02 and 3,274.36

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Solution

The fourth proportional to 5,398.90, 7,451.02 and 3,274.36 is: 4,518.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.90 : 7,451.02 = 3,274.36 : x
  2. Step 2: Convert to fraction form
    5,398.90/7,451.02 = 3,274.36/x
  3. Step 3: Cross multiply
    5,398.90x = 7,451.02 × 3,274.36
  4. Step 4: Simplify right side
    5,398.90x = 24,397,311.41
  5. Step 5: Solve for x
    x = 24,397,311.41/5,398.90
  6. Step 6: Final answer
    x = 4,518.94

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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.