Home / 2,416.36-3,621.84-1,838.02

Finding the Fourth Proportional to 2,416.36, 3,621.84 and 1,838.02

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Solution

The fourth proportional to 2,416.36, 3,621.84 and 1,838.02 is: 2,754.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,416.36 : 3,621.84 = 1,838.02 : x
  2. Step 2: Convert to fraction form
    2,416.36/3,621.84 = 1,838.02/x
  3. Step 3: Cross multiply
    2,416.36x = 3,621.84 × 1,838.02
  4. Step 4: Simplify right side
    2,416.36x = 6,657,014.36
  5. Step 5: Solve for x
    x = 6,657,014.36/2,416.36
  6. Step 6: Final answer
    x = 2,754.98

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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.