Home / 2,959.98-4,431.68-1,570.18

Finding the Fourth Proportional to 2,959.98, 4,431.68 and 1,570.18

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Solution

The fourth proportional to 2,959.98, 4,431.68 and 1,570.18 is: 2,350.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959.98 : 4,431.68 = 1,570.18 : x
  2. Step 2: Convert to fraction form
    2,959.98/4,431.68 = 1,570.18/x
  3. Step 3: Cross multiply
    2,959.98x = 4,431.68 × 1,570.18
  4. Step 4: Simplify right side
    2,959.98x = 6,958,535.30
  5. Step 5: Solve for x
    x = 6,958,535.30/2,959.98
  6. Step 6: Final answer
    x = 2,350.87

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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.