Home / 5,539.24-8,307.78-2,075.80

Finding the Fourth Proportional to 5,539.24, 8,307.78 and 2,075.80

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Solution

The fourth proportional to 5,539.24, 8,307.78 and 2,075.80 is: 3,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.24 : 8,307.78 = 2,075.80 : x
  2. Step 2: Convert to fraction form
    5,539.24/8,307.78 = 2,075.80/x
  3. Step 3: Cross multiply
    5,539.24x = 8,307.78 × 2,075.80
  4. Step 4: Simplify right side
    5,539.24x = 17,245,289.72
  5. Step 5: Solve for x
    x = 17,245,289.72/5,539.24
  6. Step 6: Final answer
    x = 3,113.30

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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.