Home / 4,913.36-7,369.40-1,625.64

Finding the Fourth Proportional to 4,913.36, 7,369.40 and 1,625.64

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Solution

The fourth proportional to 4,913.36, 7,369.40 and 1,625.64 is: 2,438.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.36 : 7,369.40 = 1,625.64 : x
  2. Step 2: Convert to fraction form
    4,913.36/7,369.40 = 1,625.64/x
  3. Step 3: Cross multiply
    4,913.36x = 7,369.40 × 1,625.64
  4. Step 4: Simplify right side
    4,913.36x = 11,979,991.42
  5. Step 5: Solve for x
    x = 11,979,991.42/4,913.36
  6. Step 6: Final answer
    x = 2,438.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.