Home / 5,971.10-8,240.10-3,612.56

Finding the Fourth Proportional to 5,971.10, 8,240.10 and 3,612.56

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Solution

The fourth proportional to 5,971.10, 8,240.10 and 3,612.56 is: 4,985.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,971.10 : 8,240.10 = 3,612.56 : x
  2. Step 2: Convert to fraction form
    5,971.10/8,240.10 = 3,612.56/x
  3. Step 3: Cross multiply
    5,971.10x = 8,240.10 × 3,612.56
  4. Step 4: Simplify right side
    5,971.10x = 29,767,855.66
  5. Step 5: Solve for x
    x = 29,767,855.66/5,971.10
  6. Step 6: Final answer
    x = 4,985.32

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Double scale
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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.