Home / 3,475.40-4,792.29-2,480.27

Finding the Fourth Proportional to 3,475.40, 4,792.29 and 2,480.27

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Solution

The fourth proportional to 3,475.40, 4,792.29 and 2,480.27 is: 3,420.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475.40 : 4,792.29 = 2,480.27 : x
  2. Step 2: Convert to fraction form
    3,475.40/4,792.29 = 2,480.27/x
  3. Step 3: Cross multiply
    3,475.40x = 4,792.29 × 2,480.27
  4. Step 4: Simplify right side
    3,475.40x = 11,886,173.12
  5. Step 5: Solve for x
    x = 11,886,173.12/3,475.40
  6. Step 6: Final answer
    x = 3,420.09

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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.