Home / 6,792.18-9,374.70-4,139.04

Finding the Fourth Proportional to 6,792.18, 9,374.70 and 4,139.04

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Solution

The fourth proportional to 6,792.18, 9,374.70 and 4,139.04 is: 5,712.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,792.18 : 9,374.70 = 4,139.04 : x
  2. Step 2: Convert to fraction form
    6,792.18/9,374.70 = 4,139.04/x
  3. Step 3: Cross multiply
    6,792.18x = 9,374.70 × 4,139.04
  4. Step 4: Simplify right side
    6,792.18x = 38,802,258.29
  5. Step 5: Solve for x
    x = 38,802,258.29/6,792.18
  6. Step 6: Final answer
    x = 5,712.78

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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.