Home / 2,950.70-4,045.57-2,898.05

Finding the Fourth Proportional to 2,950.70, 4,045.57 and 2,898.05

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Solution

The fourth proportional to 2,950.70, 4,045.57 and 2,898.05 is: 3,973.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.70 : 4,045.57 = 2,898.05 : x
  2. Step 2: Convert to fraction form
    2,950.70/4,045.57 = 2,898.05/x
  3. Step 3: Cross multiply
    2,950.70x = 4,045.57 × 2,898.05
  4. Step 4: Simplify right side
    2,950.70x = 11,724,264.14
  5. Step 5: Solve for x
    x = 11,724,264.14/2,950.70
  6. Step 6: Final answer
    x = 3,973.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.