Home / 5,111.10-7,054.07-2,873.16

Finding the Fourth Proportional to 5,111.10, 7,054.07 and 2,873.16

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Solution

The fourth proportional to 5,111.10, 7,054.07 and 2,873.16 is: 3,965.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,111.10 : 7,054.07 = 2,873.16 : x
  2. Step 2: Convert to fraction form
    5,111.10/7,054.07 = 2,873.16/x
  3. Step 3: Cross multiply
    5,111.10x = 7,054.07 × 2,873.16
  4. Step 4: Simplify right side
    5,111.10x = 20,267,457.40
  5. Step 5: Solve for x
    x = 20,267,457.40/5,111.10
  6. Step 6: Final answer
    x = 3,965.38

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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.