Home / 1,851.59-2,763.87-1,618.04

Finding the Fourth Proportional to 1,851.59, 2,763.87 and 1,618.04

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Solution

The fourth proportional to 1,851.59, 2,763.87 and 1,618.04 is: 2,415.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.59 : 2,763.87 = 1,618.04 : x
  2. Step 2: Convert to fraction form
    1,851.59/2,763.87 = 1,618.04/x
  3. Step 3: Cross multiply
    1,851.59x = 2,763.87 × 1,618.04
  4. Step 4: Simplify right side
    1,851.59x = 4,472,038.40
  5. Step 5: Solve for x
    x = 4,472,038.40/1,851.59
  6. Step 6: Final answer
    x = 2,415.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.