Home / 4,790.75-7,140.83-4,556.79

Finding the Fourth Proportional to 4,790.75, 7,140.83 and 4,556.79

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Solution

The fourth proportional to 4,790.75, 7,140.83 and 4,556.79 is: 6,792.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.75 : 7,140.83 = 4,556.79 : x
  2. Step 2: Convert to fraction form
    4,790.75/7,140.83 = 4,556.79/x
  3. Step 3: Cross multiply
    4,790.75x = 7,140.83 × 4,556.79
  4. Step 4: Simplify right side
    4,790.75x = 32,539,239.95
  5. Step 5: Solve for x
    x = 32,539,239.95/4,790.75
  6. Step 6: Final answer
    x = 6,792.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.