Home / 7,075.42-10,618.56-3,791.26

Finding the Fourth Proportional to 7,075.42, 10,618.56 and 3,791.26

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Solution

The fourth proportional to 7,075.42, 10,618.56 and 3,791.26 is: 5,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.42 : 10,618.56 = 3,791.26 : x
  2. Step 2: Convert to fraction form
    7,075.42/10,618.56 = 3,791.26/x
  3. Step 3: Cross multiply
    7,075.42x = 10,618.56 × 3,791.26
  4. Step 4: Simplify right side
    7,075.42x = 40,257,721.79
  5. Step 5: Solve for x
    x = 40,257,721.79/7,075.42
  6. Step 6: Final answer
    x = 5,689.80

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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.