Home / 3,315.88-4,576.35-2,140.37

Finding the Fourth Proportional to 3,315.88, 4,576.35 and 2,140.37

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Solution

The fourth proportional to 3,315.88, 4,576.35 and 2,140.37 is: 2,954.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.88 : 4,576.35 = 2,140.37 : x
  2. Step 2: Convert to fraction form
    3,315.88/4,576.35 = 2,140.37/x
  3. Step 3: Cross multiply
    3,315.88x = 4,576.35 × 2,140.37
  4. Step 4: Simplify right side
    3,315.88x = 9,795,101.72
  5. Step 5: Solve for x
    x = 9,795,101.72/3,315.88
  6. Step 6: Final answer
    x = 2,954.00

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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.