Home / 3,565.85-5,348.34-1,100.45

Finding the Fourth Proportional to 3,565.85, 5,348.34 and 1,100.45

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Solution

The fourth proportional to 3,565.85, 5,348.34 and 1,100.45 is: 1,650.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.85 : 5,348.34 = 1,100.45 : x
  2. Step 2: Convert to fraction form
    3,565.85/5,348.34 = 1,100.45/x
  3. Step 3: Cross multiply
    3,565.85x = 5,348.34 × 1,100.45
  4. Step 4: Simplify right side
    3,565.85x = 5,885,554.01
  5. Step 5: Solve for x
    x = 5,885,554.01/3,565.85
  6. Step 6: Final answer
    x = 1,650.54

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Double scale
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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.