Home / 2,770.10-4,156.25-1,015.23

Finding the Fourth Proportional to 2,770.10, 4,156.25 and 1,015.23

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Solution

The fourth proportional to 2,770.10, 4,156.25 and 1,015.23 is: 1,523.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.10 : 4,156.25 = 1,015.23 : x
  2. Step 2: Convert to fraction form
    2,770.10/4,156.25 = 1,015.23/x
  3. Step 3: Cross multiply
    2,770.10x = 4,156.25 × 1,015.23
  4. Step 4: Simplify right side
    2,770.10x = 4,219,560.20
  5. Step 5: Solve for x
    x = 4,219,560.20/2,770.10
  6. Step 6: Final answer
    x = 1,523.25

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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.