Home / 3,012.98-4,155.00-2,349.59

Finding the Fourth Proportional to 3,012.98, 4,155.00 and 2,349.59

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Solution

The fourth proportional to 3,012.98, 4,155.00 and 2,349.59 is: 3,240.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.98 : 4,155.00 = 2,349.59 : x
  2. Step 2: Convert to fraction form
    3,012.98/4,155.00 = 2,349.59/x
  3. Step 3: Cross multiply
    3,012.98x = 4,155.00 × 2,349.59
  4. Step 4: Simplify right side
    3,012.98x = 9,762,545.09
  5. Step 5: Solve for x
    x = 9,762,545.09/3,012.98
  6. Step 6: Final answer
    x = 3,240.16

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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.