Home / 4,082.63-6,120.60-1,307.57

Finding the Fourth Proportional to 4,082.63, 6,120.60 and 1,307.57

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Solution

The fourth proportional to 4,082.63, 6,120.60 and 1,307.57 is: 1,960.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.63 : 6,120.60 = 1,307.57 : x
  2. Step 2: Convert to fraction form
    4,082.63/6,120.60 = 1,307.57/x
  3. Step 3: Cross multiply
    4,082.63x = 6,120.60 × 1,307.57
  4. Step 4: Simplify right side
    4,082.63x = 8,003,112.94
  5. Step 5: Solve for x
    x = 8,003,112.94/4,082.63
  6. Step 6: Final answer
    x = 1,960.28

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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.