Home / 2,453.05-3,383.64-1,457.60

Finding the Fourth Proportional to 2,453.05, 3,383.64 and 1,457.60

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Solution

The fourth proportional to 2,453.05, 3,383.64 and 1,457.60 is: 2,010.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,453.05 : 3,383.64 = 1,457.60 : x
  2. Step 2: Convert to fraction form
    2,453.05/3,383.64 = 1,457.60/x
  3. Step 3: Cross multiply
    2,453.05x = 3,383.64 × 1,457.60
  4. Step 4: Simplify right side
    2,453.05x = 4,931,976.75
  5. Step 5: Solve for x
    x = 4,931,976.75/2,453.05
  6. Step 6: Final answer
    x = 2,010.55

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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.