Home / 5,075.26-7,611.84-1,954.19

Finding the Fourth Proportional to 5,075.26, 7,611.84 and 1,954.19

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Solution

The fourth proportional to 5,075.26, 7,611.84 and 1,954.19 is: 2,930.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.26 : 7,611.84 = 1,954.19 : x
  2. Step 2: Convert to fraction form
    5,075.26/7,611.84 = 1,954.19/x
  3. Step 3: Cross multiply
    5,075.26x = 7,611.84 × 1,954.19
  4. Step 4: Simplify right side
    5,075.26x = 14,875,000.64
  5. Step 5: Solve for x
    x = 14,875,000.64/5,075.26
  6. Step 6: Final answer
    x = 2,930.89

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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.