Home / 6,977.10-10,477.80-3,696.60

Finding the Fourth Proportional to 6,977.10, 10,477.80 and 3,696.60

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Solution

The fourth proportional to 6,977.10, 10,477.80 and 3,696.60 is: 5,551.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977.10 : 10,477.80 = 3,696.60 : x
  2. Step 2: Convert to fraction form
    6,977.10/10,477.80 = 3,696.60/x
  3. Step 3: Cross multiply
    6,977.10x = 10,477.80 × 3,696.60
  4. Step 4: Simplify right side
    6,977.10x = 38,732,235.48
  5. Step 5: Solve for x
    x = 38,732,235.48/6,977.10
  6. Step 6: Final answer
    x = 5,551.34

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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.