Home / 3,482.29-5,222.96-1,142.40

Finding the Fourth Proportional to 3,482.29, 5,222.96 and 1,142.40

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Solution

The fourth proportional to 3,482.29, 5,222.96 and 1,142.40 is: 1,713.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,482.29 : 5,222.96 = 1,142.40 : x
  2. Step 2: Convert to fraction form
    3,482.29/5,222.96 = 1,142.40/x
  3. Step 3: Cross multiply
    3,482.29x = 5,222.96 × 1,142.40
  4. Step 4: Simplify right side
    3,482.29x = 5,966,724.45
  5. Step 5: Solve for x
    x = 5,966,724.45/3,482.29
  6. Step 6: Final answer
    x = 1,713.45

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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.