Home / 5,918.02-8,876.13-3,720.04

Finding the Fourth Proportional to 5,918.02, 8,876.13 and 3,720.04

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Solution

The fourth proportional to 5,918.02, 8,876.13 and 3,720.04 is: 5,579.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.02 : 8,876.13 = 3,720.04 : x
  2. Step 2: Convert to fraction form
    5,918.02/8,876.13 = 3,720.04/x
  3. Step 3: Cross multiply
    5,918.02x = 8,876.13 × 3,720.04
  4. Step 4: Simplify right side
    5,918.02x = 33,019,558.65
  5. Step 5: Solve for x
    x = 33,019,558.65/5,918.02
  6. Step 6: Final answer
    x = 5,579.49

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1.5x scale

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.