Home / 4,958.40-6,842.54-2,720.16

Finding the Fourth Proportional to 4,958.40, 6,842.54 and 2,720.16

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Solution

The fourth proportional to 4,958.40, 6,842.54 and 2,720.16 is: 3,753.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,958.40 : 6,842.54 = 2,720.16 : x
  2. Step 2: Convert to fraction form
    4,958.40/6,842.54 = 2,720.16/x
  3. Step 3: Cross multiply
    4,958.40x = 6,842.54 × 2,720.16
  4. Step 4: Simplify right side
    4,958.40x = 18,612,803.61
  5. Step 5: Solve for x
    x = 18,612,803.61/4,958.40
  6. Step 6: Final answer
    x = 3,753.79

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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.