Home / 5,205.42-7,184.10-3,440.58

Finding the Fourth Proportional to 5,205.42, 7,184.10 and 3,440.58

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Solution

The fourth proportional to 5,205.42, 7,184.10 and 3,440.58 is: 4,748.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.42 : 7,184.10 = 3,440.58 : x
  2. Step 2: Convert to fraction form
    5,205.42/7,184.10 = 3,440.58/x
  3. Step 3: Cross multiply
    5,205.42x = 7,184.10 × 3,440.58
  4. Step 4: Simplify right side
    5,205.42x = 24,717,470.78
  5. Step 5: Solve for x
    x = 24,717,470.78/5,205.42
  6. Step 6: Final answer
    x = 4,748.41

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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.