Home / 4,995.60-6,891.72-3,005.01

Finding the Fourth Proportional to 4,995.60, 6,891.72 and 3,005.01

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Solution

The fourth proportional to 4,995.60, 6,891.72 and 3,005.01 is: 4,145.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.60 : 6,891.72 = 3,005.01 : x
  2. Step 2: Convert to fraction form
    4,995.60/6,891.72 = 3,005.01/x
  3. Step 3: Cross multiply
    4,995.60x = 6,891.72 × 3,005.01
  4. Step 4: Simplify right side
    4,995.60x = 20,709,687.52
  5. Step 5: Solve for x
    x = 20,709,687.52/4,995.60
  6. Step 6: Final answer
    x = 4,145.59

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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.