Home / 4,118.80-5,684.77-2,792.93

Finding the Fourth Proportional to 4,118.80, 5,684.77 and 2,792.93

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Solution

The fourth proportional to 4,118.80, 5,684.77 and 2,792.93 is: 3,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.80 : 5,684.77 = 2,792.93 : x
  2. Step 2: Convert to fraction form
    4,118.80/5,684.77 = 2,792.93/x
  3. Step 3: Cross multiply
    4,118.80x = 5,684.77 × 2,792.93
  4. Step 4: Simplify right side
    4,118.80x = 15,877,156.01
  5. Step 5: Solve for x
    x = 15,877,156.01/4,118.80
  6. Step 6: Final answer
    x = 3,854.80

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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.