Home / 7,106.54-10,646.13-3,977.07

Finding the Fourth Proportional to 7,106.54, 10,646.13 and 3,977.07

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Solution

The fourth proportional to 7,106.54, 10,646.13 and 3,977.07 is: 5,957.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.54 : 10,646.13 = 3,977.07 : x
  2. Step 2: Convert to fraction form
    7,106.54/10,646.13 = 3,977.07/x
  3. Step 3: Cross multiply
    7,106.54x = 10,646.13 × 3,977.07
  4. Step 4: Simplify right side
    7,106.54x = 42,340,379.23
  5. Step 5: Solve for x
    x = 42,340,379.23/7,106.54
  6. Step 6: Final answer
    x = 5,957.95

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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.