Home / 4,967.19-7,448.39-2,887.80

Finding the Fourth Proportional to 4,967.19, 7,448.39 and 2,887.80

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Solution

The fourth proportional to 4,967.19, 7,448.39 and 2,887.80 is: 4,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,967.19 : 7,448.39 = 2,887.80 : x
  2. Step 2: Convert to fraction form
    4,967.19/7,448.39 = 2,887.80/x
  3. Step 3: Cross multiply
    4,967.19x = 7,448.39 × 2,887.80
  4. Step 4: Simplify right side
    4,967.19x = 21,509,446.20
  5. Step 5: Solve for x
    x = 21,509,446.20/4,967.19
  6. Step 6: Final answer
    x = 4,330.30

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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.