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Finding the Fourth Proportional to 2,489.54, 3,435.55 and 1,495.67

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Solution

The fourth proportional to 2,489.54, 3,435.55 and 1,495.67 is: 2,064.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.54 : 3,435.55 = 1,495.67 : x
  2. Step 2: Convert to fraction form
    2,489.54/3,435.55 = 1,495.67/x
  3. Step 3: Cross multiply
    2,489.54x = 3,435.55 × 1,495.67
  4. Step 4: Simplify right side
    2,489.54x = 5,138,428.15
  5. Step 5: Solve for x
    x = 5,138,428.15/2,489.54
  6. Step 6: Final answer
    x = 2,064.01

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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.