Home / 2,715.26-4,065.98-2,465.64

Finding the Fourth Proportional to 2,715.26, 4,065.98 and 2,465.64

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Solution

The fourth proportional to 2,715.26, 4,065.98 and 2,465.64 is: 3,692.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.26 : 4,065.98 = 2,465.64 : x
  2. Step 2: Convert to fraction form
    2,715.26/4,065.98 = 2,465.64/x
  3. Step 3: Cross multiply
    2,715.26x = 4,065.98 × 2,465.64
  4. Step 4: Simplify right side
    2,715.26x = 10,025,242.93
  5. Step 5: Solve for x
    x = 10,025,242.93/2,715.26
  6. Step 6: Final answer
    x = 3,692.19

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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.