Home / 3,416.48-4,714.89-1,925

Finding the Fourth Proportional to 3,416.48, 4,714.89 and 1,925

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Solution

The fourth proportional to 3,416.48, 4,714.89 and 1,925 is: 2,656.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.48 : 4,714.89 = 1,925 : x
  2. Step 2: Convert to fraction form
    3,416.48/4,714.89 = 1,925/x
  3. Step 3: Cross multiply
    3,416.48x = 4,714.89 × 1,925
  4. Step 4: Simplify right side
    3,416.48x = 9,076,163.25
  5. Step 5: Solve for x
    x = 9,076,163.25/3,416.48
  6. Step 6: Final answer
    x = 2,656.58

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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.