Home / 2,576.89-3,884.64-2,405.24

Finding the Fourth Proportional to 2,576.89, 3,884.64 and 2,405.24

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Solution

The fourth proportional to 2,576.89, 3,884.64 and 2,405.24 is: 3,625.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.89 : 3,884.64 = 2,405.24 : x
  2. Step 2: Convert to fraction form
    2,576.89/3,884.64 = 2,405.24/x
  3. Step 3: Cross multiply
    2,576.89x = 3,884.64 × 2,405.24
  4. Step 4: Simplify right side
    2,576.89x = 9,343,491.51
  5. Step 5: Solve for x
    x = 9,343,491.51/2,576.89
  6. Step 6: Final answer
    x = 3,625.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.