Home / 4,927.35-7,391.08-1,640.44

Finding the Fourth Proportional to 4,927.35, 7,391.08 and 1,640.44

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Solution

The fourth proportional to 4,927.35, 7,391.08 and 1,640.44 is: 2,460.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.35 : 7,391.08 = 1,640.44 : x
  2. Step 2: Convert to fraction form
    4,927.35/7,391.08 = 1,640.44/x
  3. Step 3: Cross multiply
    4,927.35x = 7,391.08 × 1,640.44
  4. Step 4: Simplify right side
    4,927.35x = 12,124,606.85
  5. Step 5: Solve for x
    x = 12,124,606.85/4,927.35
  6. Step 6: Final answer
    x = 2,460.67

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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.