Home / 7,300.97-10,075.34-3,943.79

Finding the Fourth Proportional to 7,300.97, 10,075.34 and 3,943.79

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Solution

The fourth proportional to 7,300.97, 10,075.34 and 3,943.79 is: 5,442.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,300.97 : 10,075.34 = 3,943.79 : x
  2. Step 2: Convert to fraction form
    7,300.97/10,075.34 = 3,943.79/x
  3. Step 3: Cross multiply
    7,300.97x = 10,075.34 × 3,943.79
  4. Step 4: Simplify right side
    7,300.97x = 39,734,971.88
  5. Step 5: Solve for x
    x = 39,734,971.88/7,300.97
  6. Step 6: Final answer
    x = 5,442.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.