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Finding the Fourth Proportional to 3,355.04, 4,630.01 and 1,957.79

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Solution

The fourth proportional to 3,355.04, 4,630.01 and 1,957.79 is: 2,701.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.04 : 4,630.01 = 1,957.79 : x
  2. Step 2: Convert to fraction form
    3,355.04/4,630.01 = 1,957.79/x
  3. Step 3: Cross multiply
    3,355.04x = 4,630.01 × 1,957.79
  4. Step 4: Simplify right side
    3,355.04x = 9,064,554.34
  5. Step 5: Solve for x
    x = 9,064,554.34/3,355.04
  6. Step 6: Final answer
    x = 2,701.78

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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.