Home / 5,150.74-7,108.08-2,792.90

Finding the Fourth Proportional to 5,150.74, 7,108.08 and 2,792.90

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Solution

The fourth proportional to 5,150.74, 7,108.08 and 2,792.90 is: 3,854.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.74 : 7,108.08 = 2,792.90 : x
  2. Step 2: Convert to fraction form
    5,150.74/7,108.08 = 2,792.90/x
  3. Step 3: Cross multiply
    5,150.74x = 7,108.08 × 2,792.90
  4. Step 4: Simplify right side
    5,150.74x = 19,852,156.63
  5. Step 5: Solve for x
    x = 19,852,156.63/5,150.74
  6. Step 6: Final answer
    x = 3,854.23

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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.