Home / 4,912.55-7,369.40-1,625.67

Finding the Fourth Proportional to 4,912.55, 7,369.40 and 1,625.67

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Solution

The fourth proportional to 4,912.55, 7,369.40 and 1,625.67 is: 2,438.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.55 : 7,369.40 = 1,625.67 : x
  2. Step 2: Convert to fraction form
    4,912.55/7,369.40 = 1,625.67/x
  3. Step 3: Cross multiply
    4,912.55x = 7,369.40 × 1,625.67
  4. Step 4: Simplify right side
    4,912.55x = 11,980,212.50
  5. Step 5: Solve for x
    x = 11,980,212.50/4,912.55
  6. Step 6: Final answer
    x = 2,438.70

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Double scale
Find fourth proportional to 4,913.55, 7,370.90 and 1,626.67
Similar ratio
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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.