Home / 4,988.42-6,883.10-2,999.01

Finding the Fourth Proportional to 4,988.42, 6,883.10 and 2,999.01

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Solution

The fourth proportional to 4,988.42, 6,883.10 and 2,999.01 is: 4,138.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.42 : 6,883.10 = 2,999.01 : x
  2. Step 2: Convert to fraction form
    4,988.42/6,883.10 = 2,999.01/x
  3. Step 3: Cross multiply
    4,988.42x = 6,883.10 × 2,999.01
  4. Step 4: Simplify right side
    4,988.42x = 20,642,485.73
  5. Step 5: Solve for x
    x = 20,642,485.73/4,988.42
  6. Step 6: Final answer
    x = 4,138.08

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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.