Home / 4,680.14-7,018.16-1,393.43

Finding the Fourth Proportional to 4,680.14, 7,018.16 and 1,393.43

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Solution

The fourth proportional to 4,680.14, 7,018.16 and 1,393.43 is: 2,089.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.14 : 7,018.16 = 1,393.43 : x
  2. Step 2: Convert to fraction form
    4,680.14/7,018.16 = 1,393.43/x
  3. Step 3: Cross multiply
    4,680.14x = 7,018.16 × 1,393.43
  4. Step 4: Simplify right side
    4,680.14x = 9,779,272.63
  5. Step 5: Solve for x
    x = 9,779,272.63/4,680.14
  6. Step 6: Final answer
    x = 2,089.53

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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.