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Finding the Fourth Proportional to 2,102.44, 3,153.54 and 1,130.44

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Solution

The fourth proportional to 2,102.44, 3,153.54 and 1,130.44 is: 1,695.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102.44 : 3,153.54 = 1,130.44 : x
  2. Step 2: Convert to fraction form
    2,102.44/3,153.54 = 1,130.44/x
  3. Step 3: Cross multiply
    2,102.44x = 3,153.54 × 1,130.44
  4. Step 4: Simplify right side
    2,102.44x = 3,564,887.76
  5. Step 5: Solve for x
    x = 3,564,887.76/2,102.44
  6. Step 6: Final answer
    x = 1,695.60

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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.