Home / 3,878.08-5,817.60-1,569.04

Finding the Fourth Proportional to 3,878.08, 5,817.60 and 1,569.04

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Solution

The fourth proportional to 3,878.08, 5,817.60 and 1,569.04 is: 2,353.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878.08 : 5,817.60 = 1,569.04 : x
  2. Step 2: Convert to fraction form
    3,878.08/5,817.60 = 1,569.04/x
  3. Step 3: Cross multiply
    3,878.08x = 5,817.60 × 1,569.04
  4. Step 4: Simplify right side
    3,878.08x = 9,128,047.10
  5. Step 5: Solve for x
    x = 9,128,047.10/3,878.08
  6. Step 6: Final answer
    x = 2,353.75

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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.