Home / 2,254.32-3,111.99-1,656.81

Finding the Fourth Proportional to 2,254.32, 3,111.99 and 1,656.81

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Solution

The fourth proportional to 2,254.32, 3,111.99 and 1,656.81 is: 2,287.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.32 : 3,111.99 = 1,656.81 : x
  2. Step 2: Convert to fraction form
    2,254.32/3,111.99 = 1,656.81/x
  3. Step 3: Cross multiply
    2,254.32x = 3,111.99 × 1,656.81
  4. Step 4: Simplify right side
    2,254.32x = 5,155,984.40
  5. Step 5: Solve for x
    x = 5,155,984.40/2,254.32
  6. Step 6: Final answer
    x = 2,287.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.