Home / 2,316.40-3,473.20-1,084.08

Finding the Fourth Proportional to 2,316.40, 3,473.20 and 1,084.08

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Solution

The fourth proportional to 2,316.40, 3,473.20 and 1,084.08 is: 1,625.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.40 : 3,473.20 = 1,084.08 : x
  2. Step 2: Convert to fraction form
    2,316.40/3,473.20 = 1,084.08/x
  3. Step 3: Cross multiply
    2,316.40x = 3,473.20 × 1,084.08
  4. Step 4: Simplify right side
    2,316.40x = 3,765,226.66
  5. Step 5: Solve for x
    x = 3,765,226.66/2,316.40
  6. Step 6: Final answer
    x = 1,625.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.