Home / 3,556.85-4,907.43-2,298.65

Finding the Fourth Proportional to 3,556.85, 4,907.43 and 2,298.65

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Solution

The fourth proportional to 3,556.85, 4,907.43 and 2,298.65 is: 3,171.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.85 : 4,907.43 = 2,298.65 : x
  2. Step 2: Convert to fraction form
    3,556.85/4,907.43 = 2,298.65/x
  3. Step 3: Cross multiply
    3,556.85x = 4,907.43 × 2,298.65
  4. Step 4: Simplify right side
    3,556.85x = 11,280,439.43
  5. Step 5: Solve for x
    x = 11,280,439.43/3,556.85
  6. Step 6: Final answer
    x = 3,171.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.