Home / 4,745.83-7,115.32-2,896.51

Finding the Fourth Proportional to 4,745.83, 7,115.32 and 2,896.51

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Solution

The fourth proportional to 4,745.83, 7,115.32 and 2,896.51 is: 4,342.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745.83 : 7,115.32 = 2,896.51 : x
  2. Step 2: Convert to fraction form
    4,745.83/7,115.32 = 2,896.51/x
  3. Step 3: Cross multiply
    4,745.83x = 7,115.32 × 2,896.51
  4. Step 4: Simplify right side
    4,745.83x = 20,609,595.53
  5. Step 5: Solve for x
    x = 20,609,595.53/4,745.83
  6. Step 6: Final answer
    x = 4,342.67

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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.