Home / 6,721.80-10,075.26-4,880.94

Finding the Fourth Proportional to 6,721.80, 10,075.26 and 4,880.94

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Solution

The fourth proportional to 6,721.80, 10,075.26 and 4,880.94 is: 7,316.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.80 : 10,075.26 = 4,880.94 : x
  2. Step 2: Convert to fraction form
    6,721.80/10,075.26 = 4,880.94/x
  3. Step 3: Cross multiply
    6,721.80x = 10,075.26 × 4,880.94
  4. Step 4: Simplify right side
    6,721.80x = 49,176,739.54
  5. Step 5: Solve for x
    x = 49,176,739.54/6,721.80
  6. Step 6: Final answer
    x = 7,316.01

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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.