Home / 4,814.17-6,643.53-2,718.70

Finding the Fourth Proportional to 4,814.17, 6,643.53 and 2,718.70

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Solution

The fourth proportional to 4,814.17, 6,643.53 and 2,718.70 is: 3,751.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.17 : 6,643.53 = 2,718.70 : x
  2. Step 2: Convert to fraction form
    4,814.17/6,643.53 = 2,718.70/x
  3. Step 3: Cross multiply
    4,814.17x = 6,643.53 × 2,718.70
  4. Step 4: Simplify right side
    4,814.17x = 18,061,748.40
  5. Step 5: Solve for x
    x = 18,061,748.40/4,814.17
  6. Step 6: Final answer
    x = 3,751.79

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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.