Home / 4,045.16-6,067.78-1,271.77

Finding the Fourth Proportional to 4,045.16, 6,067.78 and 1,271.77

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Solution

The fourth proportional to 4,045.16, 6,067.78 and 1,271.77 is: 1,907.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,045.16 : 6,067.78 = 1,271.77 : x
  2. Step 2: Convert to fraction form
    4,045.16/6,067.78 = 1,271.77/x
  3. Step 3: Cross multiply
    4,045.16x = 6,067.78 × 1,271.77
  4. Step 4: Simplify right side
    4,045.16x = 7,716,820.57
  5. Step 5: Solve for x
    x = 7,716,820.57/4,045.16
  6. Step 6: Final answer
    x = 1,907.67

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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.