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Finding the Fourth Proportional to 3,973.71, 5,962.73 and 1,666.83

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Solution

The fourth proportional to 3,973.71, 5,962.73 and 1,666.83 is: 2,501.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973.71 : 5,962.73 = 1,666.83 : x
  2. Step 2: Convert to fraction form
    3,973.71/5,962.73 = 1,666.83/x
  3. Step 3: Cross multiply
    3,973.71x = 5,962.73 × 1,666.83
  4. Step 4: Simplify right side
    3,973.71x = 9,938,848.91
  5. Step 5: Solve for x
    x = 9,938,848.91/3,973.71
  6. Step 6: Final answer
    x = 2,501.15

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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.