Home / 5,590.25-7,714.55-3,106.25

Finding the Fourth Proportional to 5,590.25, 7,714.55 and 3,106.25

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Solution

The fourth proportional to 5,590.25, 7,714.55 and 3,106.25 is: 4,286.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.25 : 7,714.55 = 3,106.25 : x
  2. Step 2: Convert to fraction form
    5,590.25/7,714.55 = 3,106.25/x
  3. Step 3: Cross multiply
    5,590.25x = 7,714.55 × 3,106.25
  4. Step 4: Simplify right side
    5,590.25x = 23,963,305.41
  5. Step 5: Solve for x
    x = 23,963,305.41/5,590.25
  6. Step 6: Final answer
    x = 4,286.63

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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.