Home / 4,626.40-6,386.60-2,859.04

Finding the Fourth Proportional to 4,626.40, 6,386.60 and 2,859.04

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Solution

The fourth proportional to 4,626.40, 6,386.60 and 2,859.04 is: 3,946.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,626.40 : 6,386.60 = 2,859.04 : x
  2. Step 2: Convert to fraction form
    4,626.40/6,386.60 = 2,859.04/x
  3. Step 3: Cross multiply
    4,626.40x = 6,386.60 × 2,859.04
  4. Step 4: Simplify right side
    4,626.40x = 18,259,544.86
  5. Step 5: Solve for x
    x = 18,259,544.86/4,626.40
  6. Step 6: Final answer
    x = 3,946.81

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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.