Home / 2,316.36-3,474.60-777.36

Finding the Fourth Proportional to 2,316.36, 3,474.60 and 777.36

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Solution

The fourth proportional to 2,316.36, 3,474.60 and 777.36 is: 1,166.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.36 : 3,474.60 = 777.36 : x
  2. Step 2: Convert to fraction form
    2,316.36/3,474.60 = 777.36/x
  3. Step 3: Cross multiply
    2,316.36x = 3,474.60 × 777.36
  4. Step 4: Simplify right side
    2,316.36x = 2,701,015.06
  5. Step 5: Solve for x
    x = 2,701,015.06/2,316.36
  6. Step 6: Final answer
    x = 1,166.06

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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.