Home / 5,590.83-7,715.35-3,072.94

Finding the Fourth Proportional to 5,590.83, 7,715.35 and 3,072.94

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Solution

The fourth proportional to 5,590.83, 7,715.35 and 3,072.94 is: 4,240.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.83 : 7,715.35 = 3,072.94 : x
  2. Step 2: Convert to fraction form
    5,590.83/7,715.35 = 3,072.94/x
  3. Step 3: Cross multiply
    5,590.83x = 7,715.35 × 3,072.94
  4. Step 4: Simplify right side
    5,590.83x = 23,708,753.69
  5. Step 5: Solve for x
    x = 23,708,753.69/5,590.83
  6. Step 6: Final answer
    x = 4,240.65

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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.