Home / 5,075.32-7,611.03-1,742.95

Finding the Fourth Proportional to 5,075.32, 7,611.03 and 1,742.95

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Solution

The fourth proportional to 5,075.32, 7,611.03 and 1,742.95 is: 2,613.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.32 : 7,611.03 = 1,742.95 : x
  2. Step 2: Convert to fraction form
    5,075.32/7,611.03 = 1,742.95/x
  3. Step 3: Cross multiply
    5,075.32x = 7,611.03 × 1,742.95
  4. Step 4: Simplify right side
    5,075.32x = 13,265,659.15
  5. Step 5: Solve for x
    x = 13,265,659.15/5,075.32
  6. Step 6: Final answer
    x = 2,613.76

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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.