Home / 3,311.98-4,570.74-1,896.10

Finding the Fourth Proportional to 3,311.98, 4,570.74 and 1,896.10

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Solution

The fourth proportional to 3,311.98, 4,570.74 and 1,896.10 is: 2,616.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.98 : 4,570.74 = 1,896.10 : x
  2. Step 2: Convert to fraction form
    3,311.98/4,570.74 = 1,896.10/x
  3. Step 3: Cross multiply
    3,311.98x = 4,570.74 × 1,896.10
  4. Step 4: Simplify right side
    3,311.98x = 8,666,580.11
  5. Step 5: Solve for x
    x = 8,666,580.11/3,311.98
  6. Step 6: Final answer
    x = 2,616.74

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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.