Home / 3,907.99-5,858.70-2,672.38

Finding the Fourth Proportional to 3,907.99, 5,858.70 and 2,672.38

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Solution

The fourth proportional to 3,907.99, 5,858.70 and 2,672.38 is: 4,006.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.99 : 5,858.70 = 2,672.38 : x
  2. Step 2: Convert to fraction form
    3,907.99/5,858.70 = 2,672.38/x
  3. Step 3: Cross multiply
    3,907.99x = 5,858.70 × 2,672.38
  4. Step 4: Simplify right side
    3,907.99x = 15,656,672.71
  5. Step 5: Solve for x
    x = 15,656,672.71/3,907.99
  6. Step 6: Final answer
    x = 4,006.32

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1.5x scale

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.