Home / 4,071.10-5,618.02-2,278.60

Finding the Fourth Proportional to 4,071.10, 5,618.02 and 2,278.60

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Solution

The fourth proportional to 4,071.10, 5,618.02 and 2,278.60 is: 3,144.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.10 : 5,618.02 = 2,278.60 : x
  2. Step 2: Convert to fraction form
    4,071.10/5,618.02 = 2,278.60/x
  3. Step 3: Cross multiply
    4,071.10x = 5,618.02 × 2,278.60
  4. Step 4: Simplify right side
    4,071.10x = 12,801,208.98
  5. Step 5: Solve for x
    x = 12,801,208.98/4,071.10
  6. Step 6: Final answer
    x = 3,144.41

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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.