Home / 3,678.96-5,075.73-2,497.98

Finding the Fourth Proportional to 3,678.96, 5,075.73 and 2,497.98

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Solution

The fourth proportional to 3,678.96, 5,075.73 and 2,497.98 is: 3,446.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.96 : 5,075.73 = 2,497.98 : x
  2. Step 2: Convert to fraction form
    3,678.96/5,075.73 = 2,497.98/x
  3. Step 3: Cross multiply
    3,678.96x = 5,075.73 × 2,497.98
  4. Step 4: Simplify right side
    3,678.96x = 12,679,072.03
  5. Step 5: Solve for x
    x = 12,679,072.03/3,678.96
  6. Step 6: Final answer
    x = 3,446.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.