Home / 1,895.06-2,615.49-1,108.96

Finding the Fourth Proportional to 1,895.06, 2,615.49 and 1,108.96

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Solution

The fourth proportional to 1,895.06, 2,615.49 and 1,108.96 is: 1,530.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.06 : 2,615.49 = 1,108.96 : x
  2. Step 2: Convert to fraction form
    1,895.06/2,615.49 = 1,108.96/x
  3. Step 3: Cross multiply
    1,895.06x = 2,615.49 × 1,108.96
  4. Step 4: Simplify right side
    1,895.06x = 2,900,467.25
  5. Step 5: Solve for x
    x = 2,900,467.25/1,895.06
  6. Step 6: Final answer
    x = 1,530.54

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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.