Home / 2,325.84-3,209.75-1,331.15

Finding the Fourth Proportional to 2,325.84, 3,209.75 and 1,331.15

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Solution

The fourth proportional to 2,325.84, 3,209.75 and 1,331.15 is: 1,837.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.84 : 3,209.75 = 1,331.15 : x
  2. Step 2: Convert to fraction form
    2,325.84/3,209.75 = 1,331.15/x
  3. Step 3: Cross multiply
    2,325.84x = 3,209.75 × 1,331.15
  4. Step 4: Simplify right side
    2,325.84x = 4,272,636.01
  5. Step 5: Solve for x
    x = 4,272,636.01/2,325.84
  6. Step 6: Final answer
    x = 1,837.03

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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.