Home / 4,990.23-6,865.30-4,851.84

Finding the Fourth Proportional to 4,990.23, 6,865.30 and 4,851.84

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Solution

The fourth proportional to 4,990.23, 6,865.30 and 4,851.84 is: 6,674.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.23 : 6,865.30 = 4,851.84 : x
  2. Step 2: Convert to fraction form
    4,990.23/6,865.30 = 4,851.84/x
  3. Step 3: Cross multiply
    4,990.23x = 6,865.30 × 4,851.84
  4. Step 4: Simplify right side
    4,990.23x = 33,309,317.28
  5. Step 5: Solve for x
    x = 33,309,317.28/4,990.23
  6. Step 6: Final answer
    x = 6,674.90

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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.