Home / 4,775.85-7,166.39-1,854.27

Finding the Fourth Proportional to 4,775.85, 7,166.39 and 1,854.27

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Solution

The fourth proportional to 4,775.85, 7,166.39 and 1,854.27 is: 2,782.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,775.85 : 7,166.39 = 1,854.27 : x
  2. Step 2: Convert to fraction form
    4,775.85/7,166.39 = 1,854.27/x
  3. Step 3: Cross multiply
    4,775.85x = 7,166.39 × 1,854.27
  4. Step 4: Simplify right side
    4,775.85x = 13,288,421.99
  5. Step 5: Solve for x
    x = 13,288,421.99/4,775.85
  6. Step 6: Final answer
    x = 2,782.42

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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.