Home / 4,958.10-6,842.34-2,720.16

Finding the Fourth Proportional to 4,958.10, 6,842.34 and 2,720.16

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Solution

The fourth proportional to 4,958.10, 6,842.34 and 2,720.16 is: 3,753.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,958.10 : 6,842.34 = 2,720.16 : x
  2. Step 2: Convert to fraction form
    4,958.10/6,842.34 = 2,720.16/x
  3. Step 3: Cross multiply
    4,958.10x = 6,842.34 × 2,720.16
  4. Step 4: Simplify right side
    4,958.10x = 18,612,259.57
  5. Step 5: Solve for x
    x = 18,612,259.57/4,958.10
  6. Step 6: Final answer
    x = 3,753.91

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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.