Home / 5,153.52-7,730.26-2,555.84

Finding the Fourth Proportional to 5,153.52, 7,730.26 and 2,555.84

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Solution

The fourth proportional to 5,153.52, 7,730.26 and 2,555.84 is: 3,833.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.52 : 7,730.26 = 2,555.84 : x
  2. Step 2: Convert to fraction form
    5,153.52/7,730.26 = 2,555.84/x
  3. Step 3: Cross multiply
    5,153.52x = 7,730.26 × 2,555.84
  4. Step 4: Simplify right side
    5,153.52x = 19,757,307.72
  5. Step 5: Solve for x
    x = 19,757,307.72/5,153.52
  6. Step 6: Final answer
    x = 3,833.75

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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.