Home / 1,547.24-2,318.70-1,344.20

Finding the Fourth Proportional to 1,547.24, 2,318.70 and 1,344.20

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Solution

The fourth proportional to 1,547.24, 2,318.70 and 1,344.20 is: 2,014.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547.24 : 2,318.70 = 1,344.20 : x
  2. Step 2: Convert to fraction form
    1,547.24/2,318.70 = 1,344.20/x
  3. Step 3: Cross multiply
    1,547.24x = 2,318.70 × 1,344.20
  4. Step 4: Simplify right side
    1,547.24x = 3,116,796.54
  5. Step 5: Solve for x
    x = 3,116,796.54/1,547.24
  6. Step 6: Final answer
    x = 2,014.42

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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.