Home / 4,222.54-5,818.35-3,590.86

Finding the Fourth Proportional to 4,222.54, 5,818.35 and 3,590.86

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Solution

The fourth proportional to 4,222.54, 5,818.35 and 3,590.86 is: 4,947.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.54 : 5,818.35 = 3,590.86 : x
  2. Step 2: Convert to fraction form
    4,222.54/5,818.35 = 3,590.86/x
  3. Step 3: Cross multiply
    4,222.54x = 5,818.35 × 3,590.86
  4. Step 4: Simplify right side
    4,222.54x = 20,892,880.28
  5. Step 5: Solve for x
    x = 20,892,880.28/4,222.54
  6. Step 6: Final answer
    x = 4,947.94

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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.