Home / 2,253.02-3,109.03-1,258.36

Finding the Fourth Proportional to 2,253.02, 3,109.03 and 1,258.36

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Solution

The fourth proportional to 2,253.02, 3,109.03 and 1,258.36 is: 1,736.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.02 : 3,109.03 = 1,258.36 : x
  2. Step 2: Convert to fraction form
    2,253.02/3,109.03 = 1,258.36/x
  3. Step 3: Cross multiply
    2,253.02x = 3,109.03 × 1,258.36
  4. Step 4: Simplify right side
    2,253.02x = 3,912,268.07
  5. Step 5: Solve for x
    x = 3,912,268.07/2,253.02
  6. Step 6: Final answer
    x = 1,736.46

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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.