Home / 4,923.82-7,386.95-1,636.93

Finding the Fourth Proportional to 4,923.82, 7,386.95 and 1,636.93

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Solution

The fourth proportional to 4,923.82, 7,386.95 and 1,636.93 is: 2,455.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923.82 : 7,386.95 = 1,636.93 : x
  2. Step 2: Convert to fraction form
    4,923.82/7,386.95 = 1,636.93/x
  3. Step 3: Cross multiply
    4,923.82x = 7,386.95 × 1,636.93
  4. Step 4: Simplify right side
    4,923.82x = 12,091,920.06
  5. Step 5: Solve for x
    x = 12,091,920.06/4,923.82
  6. Step 6: Final answer
    x = 2,455.80

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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.