Home / 4,867.13-6,719.23-3,899.51

Finding the Fourth Proportional to 4,867.13, 6,719.23 and 3,899.51

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Solution

The fourth proportional to 4,867.13, 6,719.23 and 3,899.51 is: 5,383.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867.13 : 6,719.23 = 3,899.51 : x
  2. Step 2: Convert to fraction form
    4,867.13/6,719.23 = 3,899.51/x
  3. Step 3: Cross multiply
    4,867.13x = 6,719.23 × 3,899.51
  4. Step 4: Simplify right side
    4,867.13x = 26,201,713.18
  5. Step 5: Solve for x
    x = 26,201,713.18/4,867.13
  6. Step 6: Final answer
    x = 5,383.40

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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.