Home / 4,699.31-7,049.32-1,412.66

Finding the Fourth Proportional to 4,699.31, 7,049.32 and 1,412.66

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Solution

The fourth proportional to 4,699.31, 7,049.32 and 1,412.66 is: 2,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,699.31 : 7,049.32 = 1,412.66 : x
  2. Step 2: Convert to fraction form
    4,699.31/7,049.32 = 1,412.66/x
  3. Step 3: Cross multiply
    4,699.31x = 7,049.32 × 1,412.66
  4. Step 4: Simplify right side
    4,699.31x = 9,958,306.48
  5. Step 5: Solve for x
    x = 9,958,306.48/4,699.31
  6. Step 6: Final answer
    x = 2,119.10

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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.