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Finding the Fourth Proportional to 2,404.70, 3,607.05 and 2,210.30

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Solution

The fourth proportional to 2,404.70, 3,607.05 and 2,210.30 is: 3,315.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,404.70 : 3,607.05 = 2,210.30 : x
  2. Step 2: Convert to fraction form
    2,404.70/3,607.05 = 2,210.30/x
  3. Step 3: Cross multiply
    2,404.70x = 3,607.05 × 2,210.30
  4. Step 4: Simplify right side
    2,404.70x = 7,972,662.62
  5. Step 5: Solve for x
    x = 7,972,662.62/2,404.70
  6. Step 6: Final answer
    x = 3,315.45

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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.