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Finding the Fourth Proportional to 3,681.98, 5,522.90 and 1,341.98

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Solution

The fourth proportional to 3,681.98, 5,522.90 and 1,341.98 is: 2,012.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.98 : 5,522.90 = 1,341.98 : x
  2. Step 2: Convert to fraction form
    3,681.98/5,522.90 = 1,341.98/x
  3. Step 3: Cross multiply
    3,681.98x = 5,522.90 × 1,341.98
  4. Step 4: Simplify right side
    3,681.98x = 7,411,621.34
  5. Step 5: Solve for x
    x = 7,411,621.34/3,681.98
  6. Step 6: Final answer
    x = 2,012.94

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1.5x scale

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.