Home / 4,923.76-6,792.90-3,155.08

Finding the Fourth Proportional to 4,923.76, 6,792.90 and 3,155.08

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Solution

The fourth proportional to 4,923.76, 6,792.90 and 3,155.08 is: 4,352.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923.76 : 6,792.90 = 3,155.08 : x
  2. Step 2: Convert to fraction form
    4,923.76/6,792.90 = 3,155.08/x
  3. Step 3: Cross multiply
    4,923.76x = 6,792.90 × 3,155.08
  4. Step 4: Simplify right side
    4,923.76x = 21,432,142.93
  5. Step 5: Solve for x
    x = 21,432,142.93/4,923.76
  6. Step 6: Final answer
    x = 4,352.80

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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.