Home / 3,012.61-4,154.48-2,349.22

Finding the Fourth Proportional to 3,012.61, 4,154.48 and 2,349.22

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Solution

The fourth proportional to 3,012.61, 4,154.48 and 2,349.22 is: 3,239.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.61 : 4,154.48 = 2,349.22 : x
  2. Step 2: Convert to fraction form
    3,012.61/4,154.48 = 2,349.22/x
  3. Step 3: Cross multiply
    3,012.61x = 4,154.48 × 2,349.22
  4. Step 4: Simplify right side
    3,012.61x = 9,759,771.25
  5. Step 5: Solve for x
    x = 9,759,771.25/3,012.61
  6. Step 6: Final answer
    x = 3,239.64

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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.