Home / 5,907.26-8,152.76-3,389.78

Finding the Fourth Proportional to 5,907.26, 8,152.76 and 3,389.78

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Solution

The fourth proportional to 5,907.26, 8,152.76 and 3,389.78 is: 4,678.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,907.26 : 8,152.76 = 3,389.78 : x
  2. Step 2: Convert to fraction form
    5,907.26/8,152.76 = 3,389.78/x
  3. Step 3: Cross multiply
    5,907.26x = 8,152.76 × 3,389.78
  4. Step 4: Simplify right side
    5,907.26x = 27,636,062.79
  5. Step 5: Solve for x
    x = 27,636,062.79/5,907.26
  6. Step 6: Final answer
    x = 4,678.32

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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.