Home / 1,905.03-2,626.86-1,654.13

Finding the Fourth Proportional to 1,905.03, 2,626.86 and 1,654.13

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Solution

The fourth proportional to 1,905.03, 2,626.86 and 1,654.13 is: 2,280.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905.03 : 2,626.86 = 1,654.13 : x
  2. Step 2: Convert to fraction form
    1,905.03/2,626.86 = 1,654.13/x
  3. Step 3: Cross multiply
    1,905.03x = 2,626.86 × 1,654.13
  4. Step 4: Simplify right side
    1,905.03x = 4,345,180.70
  5. Step 5: Solve for x
    x = 4,345,180.70/1,905.03
  6. Step 6: Final answer
    x = 2,280.90

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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.