Home / 6,075.90-8,381.79-5,235.14

Finding the Fourth Proportional to 6,075.90, 8,381.79 and 5,235.14

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Solution

The fourth proportional to 6,075.90, 8,381.79 and 5,235.14 is: 7,221.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,075.90 : 8,381.79 = 5,235.14 : x
  2. Step 2: Convert to fraction form
    6,075.90/8,381.79 = 5,235.14/x
  3. Step 3: Cross multiply
    6,075.90x = 8,381.79 × 5,235.14
  4. Step 4: Simplify right side
    6,075.90x = 43,879,865.06
  5. Step 5: Solve for x
    x = 43,879,865.06/6,075.90
  6. Step 6: Final answer
    x = 7,221.95

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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.