Home / 5,235.93-7,851.15-2,768.76

Finding the Fourth Proportional to 5,235.93, 7,851.15 and 2,768.76

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Solution

The fourth proportional to 5,235.93, 7,851.15 and 2,768.76 is: 4,151.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.93 : 7,851.15 = 2,768.76 : x
  2. Step 2: Convert to fraction form
    5,235.93/7,851.15 = 2,768.76/x
  3. Step 3: Cross multiply
    5,235.93x = 7,851.15 × 2,768.76
  4. Step 4: Simplify right side
    5,235.93x = 21,737,950.07
  5. Step 5: Solve for x
    x = 21,737,950.07/5,235.93
  6. Step 6: Final answer
    x = 4,151.69

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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.