Home / 4,812.12-6,638.76-2,923.74

Finding the Fourth Proportional to 4,812.12, 6,638.76 and 2,923.74

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Solution

The fourth proportional to 4,812.12, 6,638.76 and 2,923.74 is: 4,033.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.12 : 6,638.76 = 2,923.74 : x
  2. Step 2: Convert to fraction form
    4,812.12/6,638.76 = 2,923.74/x
  3. Step 3: Cross multiply
    4,812.12x = 6,638.76 × 2,923.74
  4. Step 4: Simplify right side
    4,812.12x = 19,410,008.16
  5. Step 5: Solve for x
    x = 19,410,008.16/4,812.12
  6. Step 6: Final answer
    x = 4,033.57

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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.