Home / 1,442.07-2,162.43-468.18

Finding the Fourth Proportional to 1,442.07, 2,162.43 and 468.18

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Solution

The fourth proportional to 1,442.07, 2,162.43 and 468.18 is: 702.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442.07 : 2,162.43 = 468.18 : x
  2. Step 2: Convert to fraction form
    1,442.07/2,162.43 = 468.18/x
  3. Step 3: Cross multiply
    1,442.07x = 2,162.43 × 468.18
  4. Step 4: Simplify right side
    1,442.07x = 1,012,406.48
  5. Step 5: Solve for x
    x = 1,012,406.48/1,442.07
  6. Step 6: Final answer
    x = 702.05

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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.