Home / 4,113.72-5,675.34-2,621.37

Finding the Fourth Proportional to 4,113.72, 5,675.34 and 2,621.37

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Solution

The fourth proportional to 4,113.72, 5,675.34 and 2,621.37 is: 3,616.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113.72 : 5,675.34 = 2,621.37 : x
  2. Step 2: Convert to fraction form
    4,113.72/5,675.34 = 2,621.37/x
  3. Step 3: Cross multiply
    4,113.72x = 5,675.34 × 2,621.37
  4. Step 4: Simplify right side
    4,113.72x = 14,877,166.02
  5. Step 5: Solve for x
    x = 14,877,166.02/4,113.72
  6. Step 6: Final answer
    x = 3,616.48

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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.