Home / 5,268.80-7,903.20-2,802.35

Finding the Fourth Proportional to 5,268.80, 7,903.20 and 2,802.35

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Solution

The fourth proportional to 5,268.80, 7,903.20 and 2,802.35 is: 4,203.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.80 : 7,903.20 = 2,802.35 : x
  2. Step 2: Convert to fraction form
    5,268.80/7,903.20 = 2,802.35/x
  3. Step 3: Cross multiply
    5,268.80x = 7,903.20 × 2,802.35
  4. Step 4: Simplify right side
    5,268.80x = 22,147,532.52
  5. Step 5: Solve for x
    x = 22,147,532.52/5,268.80
  6. Step 6: Final answer
    x = 4,203.53

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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.