Home / 5,185.24-7,164.75-4,075

Finding the Fourth Proportional to 5,185.24, 7,164.75 and 4,075

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Solution

The fourth proportional to 5,185.24, 7,164.75 and 4,075 is: 5,630.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.24 : 7,164.75 = 4,075 : x
  2. Step 2: Convert to fraction form
    5,185.24/7,164.75 = 4,075/x
  3. Step 3: Cross multiply
    5,185.24x = 7,164.75 × 4,075
  4. Step 4: Simplify right side
    5,185.24x = 29,196,356.25
  5. Step 5: Solve for x
    x = 29,196,356.25/5,185.24
  6. Step 6: Final answer
    x = 5,630.67

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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.