Home / 4,287.87-5,921.48-2,964.99

Finding the Fourth Proportional to 4,287.87, 5,921.48 and 2,964.99

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Solution

The fourth proportional to 4,287.87, 5,921.48 and 2,964.99 is: 4,094.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.87 : 5,921.48 = 2,964.99 : x
  2. Step 2: Convert to fraction form
    4,287.87/5,921.48 = 2,964.99/x
  3. Step 3: Cross multiply
    4,287.87x = 5,921.48 × 2,964.99
  4. Step 4: Simplify right side
    4,287.87x = 17,557,128.99
  5. Step 5: Solve for x
    x = 17,557,128.99/4,287.87
  6. Step 6: Final answer
    x = 4,094.60

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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.