Home / 3,397.10-4,683.99-3,145.19

Finding the Fourth Proportional to 3,397.10, 4,683.99 and 3,145.19

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Solution

The fourth proportional to 3,397.10, 4,683.99 and 3,145.19 is: 4,336.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.10 : 4,683.99 = 3,145.19 : x
  2. Step 2: Convert to fraction form
    3,397.10/4,683.99 = 3,145.19/x
  3. Step 3: Cross multiply
    3,397.10x = 4,683.99 × 3,145.19
  4. Step 4: Simplify right side
    3,397.10x = 14,731,999.36
  5. Step 5: Solve for x
    x = 14,731,999.36/3,397.10
  6. Step 6: Final answer
    x = 4,336.65

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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.