Home / 5,155.36-7,734.96-3,075.04

Finding the Fourth Proportional to 5,155.36, 7,734.96 and 3,075.04

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Solution

The fourth proportional to 5,155.36, 7,734.96 and 3,075.04 is: 4,613.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.36 : 7,734.96 = 3,075.04 : x
  2. Step 2: Convert to fraction form
    5,155.36/7,734.96 = 3,075.04/x
  3. Step 3: Cross multiply
    5,155.36x = 7,734.96 × 3,075.04
  4. Step 4: Simplify right side
    5,155.36x = 23,785,311.40
  5. Step 5: Solve for x
    x = 23,785,311.40/5,155.36
  6. Step 6: Final answer
    x = 4,613.71

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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.