Home / 5,082.57-7,013.74-2,782.95

Finding the Fourth Proportional to 5,082.57, 7,013.74 and 2,782.95

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Solution

The fourth proportional to 5,082.57, 7,013.74 and 2,782.95 is: 3,840.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.57 : 7,013.74 = 2,782.95 : x
  2. Step 2: Convert to fraction form
    5,082.57/7,013.74 = 2,782.95/x
  3. Step 3: Cross multiply
    5,082.57x = 7,013.74 × 2,782.95
  4. Step 4: Simplify right side
    5,082.57x = 19,518,887.73
  5. Step 5: Solve for x
    x = 19,518,887.73/5,082.57
  6. Step 6: Final answer
    x = 3,840.36

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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.