Home / 5,590.74-7,715.29-3,073.09

Finding the Fourth Proportional to 5,590.74, 7,715.29 and 3,073.09

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Solution

The fourth proportional to 5,590.74, 7,715.29 and 3,073.09 is: 4,240.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.74 : 7,715.29 = 3,073.09 : x
  2. Step 2: Convert to fraction form
    5,590.74/7,715.29 = 3,073.09/x
  3. Step 3: Cross multiply
    5,590.74x = 7,715.29 × 3,073.09
  4. Step 4: Simplify right side
    5,590.74x = 23,709,768.94
  5. Step 5: Solve for x
    x = 23,709,768.94/5,590.74
  6. Step 6: Final answer
    x = 4,240.90

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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.