Home / 2,409.37-3,312.15-2,072.03

Finding the Fourth Proportional to 2,409.37, 3,312.15 and 2,072.03

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Solution

The fourth proportional to 2,409.37, 3,312.15 and 2,072.03 is: 2,848.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.37 : 3,312.15 = 2,072.03 : x
  2. Step 2: Convert to fraction form
    2,409.37/3,312.15 = 2,072.03/x
  3. Step 3: Cross multiply
    2,409.37x = 3,312.15 × 2,072.03
  4. Step 4: Simplify right side
    2,409.37x = 6,862,882.44
  5. Step 5: Solve for x
    x = 6,862,882.44/2,409.37
  6. Step 6: Final answer
    x = 2,848.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.