Home / 5,559.75-7,672.70-3,075.75

Finding the Fourth Proportional to 5,559.75, 7,672.70 and 3,075.75

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Solution

The fourth proportional to 5,559.75, 7,672.70 and 3,075.75 is: 4,244.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,559.75 : 7,672.70 = 3,075.75 : x
  2. Step 2: Convert to fraction form
    5,559.75/7,672.70 = 3,075.75/x
  3. Step 3: Cross multiply
    5,559.75x = 7,672.70 × 3,075.75
  4. Step 4: Simplify right side
    5,559.75x = 23,599,291.65
  5. Step 5: Solve for x
    x = 23,599,291.65/5,559.75
  6. Step 6: Final answer
    x = 4,244.67

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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.