Home / 1,808.35-2,718.60-1,541.05

Finding the Fourth Proportional to 1,808.35, 2,718.60 and 1,541.05

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Solution

The fourth proportional to 1,808.35, 2,718.60 and 1,541.05 is: 2,316.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808.35 : 2,718.60 = 1,541.05 : x
  2. Step 2: Convert to fraction form
    1,808.35/2,718.60 = 1,541.05/x
  3. Step 3: Cross multiply
    1,808.35x = 2,718.60 × 1,541.05
  4. Step 4: Simplify right side
    1,808.35x = 4,189,498.53
  5. Step 5: Solve for x
    x = 4,189,498.53/1,808.35
  6. Step 6: Final answer
    x = 2,316.75

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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.