Home / 7,075.87-10,613.79-1,881.75

Finding the Fourth Proportional to 7,075.87, 10,613.79 and 1,881.75

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Solution

The fourth proportional to 7,075.87, 10,613.79 and 1,881.75 is: 2,822.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.87 : 10,613.79 = 1,881.75 : x
  2. Step 2: Convert to fraction form
    7,075.87/10,613.79 = 1,881.75/x
  3. Step 3: Cross multiply
    7,075.87x = 10,613.79 × 1,881.75
  4. Step 4: Simplify right side
    7,075.87x = 19,972,450.97
  5. Step 5: Solve for x
    x = 19,972,450.97/7,075.87
  6. Step 6: Final answer
    x = 2,822.61

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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.