Home / 4,659.75-6,426.54-2,890.17

Finding the Fourth Proportional to 4,659.75, 6,426.54 and 2,890.17

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Solution

The fourth proportional to 4,659.75, 6,426.54 and 2,890.17 is: 3,986.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,659.75 : 6,426.54 = 2,890.17 : x
  2. Step 2: Convert to fraction form
    4,659.75/6,426.54 = 2,890.17/x
  3. Step 3: Cross multiply
    4,659.75x = 6,426.54 × 2,890.17
  4. Step 4: Simplify right side
    4,659.75x = 18,573,793.11
  5. Step 5: Solve for x
    x = 18,573,793.11/4,659.75
  6. Step 6: Final answer
    x = 3,986.01

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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.