Home / 4,080.99-5,631.75-2,402.39

Finding the Fourth Proportional to 4,080.99, 5,631.75 and 2,402.39

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Solution

The fourth proportional to 4,080.99, 5,631.75 and 2,402.39 is: 3,315.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.99 : 5,631.75 = 2,402.39 : x
  2. Step 2: Convert to fraction form
    4,080.99/5,631.75 = 2,402.39/x
  3. Step 3: Cross multiply
    4,080.99x = 5,631.75 × 2,402.39
  4. Step 4: Simplify right side
    4,080.99x = 13,529,631.72
  5. Step 5: Solve for x
    x = 13,529,631.72/4,080.99
  6. Step 6: Final answer
    x = 3,315.28

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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.