Home / 4,763.36-7,140.72-2,683.28

Finding the Fourth Proportional to 4,763.36, 7,140.72 and 2,683.28

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Solution

The fourth proportional to 4,763.36, 7,140.72 and 2,683.28 is: 4,022.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,763.36 : 7,140.72 = 2,683.28 : x
  2. Step 2: Convert to fraction form
    4,763.36/7,140.72 = 2,683.28/x
  3. Step 3: Cross multiply
    4,763.36x = 7,140.72 × 2,683.28
  4. Step 4: Simplify right side
    4,763.36x = 19,160,551.16
  5. Step 5: Solve for x
    x = 19,160,551.16/4,763.36
  6. Step 6: Final answer
    x = 4,022.49

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1.5x scale

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.