Home / 5,339.69-7,368.87-3,100.75

Finding the Fourth Proportional to 5,339.69, 7,368.87 and 3,100.75

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Solution

The fourth proportional to 5,339.69, 7,368.87 and 3,100.75 is: 4,279.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.69 : 7,368.87 = 3,100.75 : x
  2. Step 2: Convert to fraction form
    5,339.69/7,368.87 = 3,100.75/x
  3. Step 3: Cross multiply
    5,339.69x = 7,368.87 × 3,100.75
  4. Step 4: Simplify right side
    5,339.69x = 22,849,023.65
  5. Step 5: Solve for x
    x = 22,849,023.65/5,339.69
  6. Step 6: Final answer
    x = 4,279.09

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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.