Home / 5,590.44-7,714.98-4,190.76

Finding the Fourth Proportional to 5,590.44, 7,714.98 and 4,190.76

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Solution

The fourth proportional to 5,590.44, 7,714.98 and 4,190.76 is: 5,783.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.44 : 7,714.98 = 4,190.76 : x
  2. Step 2: Convert to fraction form
    5,590.44/7,714.98 = 4,190.76/x
  3. Step 3: Cross multiply
    5,590.44x = 7,714.98 × 4,190.76
  4. Step 4: Simplify right side
    5,590.44x = 32,331,629.58
  5. Step 5: Solve for x
    x = 32,331,629.58/5,590.44
  6. Step 6: Final answer
    x = 5,783.38

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Find fourth proportional to 2,795.22, 3,857.49 and 2,095.38
Half scale
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Double scale
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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.