Home / 5,612.76-8,383.59-4,367.19

Finding the Fourth Proportional to 5,612.76, 8,383.59 and 4,367.19

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Solution

The fourth proportional to 5,612.76, 8,383.59 and 4,367.19 is: 6,523.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.76 : 8,383.59 = 4,367.19 : x
  2. Step 2: Convert to fraction form
    5,612.76/8,383.59 = 4,367.19/x
  3. Step 3: Cross multiply
    5,612.76x = 8,383.59 × 4,367.19
  4. Step 4: Simplify right side
    5,612.76x = 36,612,761.85
  5. Step 5: Solve for x
    x = 36,612,761.85/5,612.76
  6. Step 6: Final answer
    x = 6,523.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.