Home / 4,029.90-5,559.32-2,851.62

Finding the Fourth Proportional to 4,029.90, 5,559.32 and 2,851.62

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Solution

The fourth proportional to 4,029.90, 5,559.32 and 2,851.62 is: 3,933.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,029.90 : 5,559.32 = 2,851.62 : x
  2. Step 2: Convert to fraction form
    4,029.90/5,559.32 = 2,851.62/x
  3. Step 3: Cross multiply
    4,029.90x = 5,559.32 × 2,851.62
  4. Step 4: Simplify right side
    4,029.90x = 15,853,068.10
  5. Step 5: Solve for x
    x = 15,853,068.10/4,029.90
  6. Step 6: Final answer
    x = 3,933.86

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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.