Home / 4,258.02-6,389.50-1,792.68

Finding the Fourth Proportional to 4,258.02, 6,389.50 and 1,792.68

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Solution

The fourth proportional to 4,258.02, 6,389.50 and 1,792.68 is: 2,690.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.02 : 6,389.50 = 1,792.68 : x
  2. Step 2: Convert to fraction form
    4,258.02/6,389.50 = 1,792.68/x
  3. Step 3: Cross multiply
    4,258.02x = 6,389.50 × 1,792.68
  4. Step 4: Simplify right side
    4,258.02x = 11,454,328.86
  5. Step 5: Solve for x
    x = 11,454,328.86/4,258.02
  6. Step 6: Final answer
    x = 2,690.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.