Home / 2,346.56-3,220.36-2,125.12

Finding the Fourth Proportional to 2,346.56, 3,220.36 and 2,125.12

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Solution

The fourth proportional to 2,346.56, 3,220.36 and 2,125.12 is: 2,916.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,346.56 : 3,220.36 = 2,125.12 : x
  2. Step 2: Convert to fraction form
    2,346.56/3,220.36 = 2,125.12/x
  3. Step 3: Cross multiply
    2,346.56x = 3,220.36 × 2,125.12
  4. Step 4: Simplify right side
    2,346.56x = 6,843,651.44
  5. Step 5: Solve for x
    x = 6,843,651.44/2,346.56
  6. Step 6: Final answer
    x = 2,916.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.