Home / 5,226.54-7,840.65-1,715.52

Finding the Fourth Proportional to 5,226.54, 7,840.65 and 1,715.52

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Solution

The fourth proportional to 5,226.54, 7,840.65 and 1,715.52 is: 2,573.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.54 : 7,840.65 = 1,715.52 : x
  2. Step 2: Convert to fraction form
    5,226.54/7,840.65 = 1,715.52/x
  3. Step 3: Cross multiply
    5,226.54x = 7,840.65 × 1,715.52
  4. Step 4: Simplify right side
    5,226.54x = 13,450,791.89
  5. Step 5: Solve for x
    x = 13,450,791.89/5,226.54
  6. Step 6: Final answer
    x = 2,573.56

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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.