Home / 5,586.15-8,378.78-2,075.97

Finding the Fourth Proportional to 5,586.15, 8,378.78 and 2,075.97

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Solution

The fourth proportional to 5,586.15, 8,378.78 and 2,075.97 is: 3,113.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,586.15 : 8,378.78 = 2,075.97 : x
  2. Step 2: Convert to fraction form
    5,586.15/8,378.78 = 2,075.97/x
  3. Step 3: Cross multiply
    5,586.15x = 8,378.78 × 2,075.97
  4. Step 4: Simplify right side
    5,586.15x = 17,394,085.54
  5. Step 5: Solve for x
    x = 17,394,085.54/5,586.15
  6. Step 6: Final answer
    x = 3,113.79

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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.