Home / 5,890.08-8,129.62-4,075.66

Finding the Fourth Proportional to 5,890.08, 8,129.62 and 4,075.66

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Solution

The fourth proportional to 5,890.08, 8,129.62 and 4,075.66 is: 5,625.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.08 : 8,129.62 = 4,075.66 : x
  2. Step 2: Convert to fraction form
    5,890.08/8,129.62 = 4,075.66/x
  3. Step 3: Cross multiply
    5,890.08x = 8,129.62 × 4,075.66
  4. Step 4: Simplify right side
    5,890.08x = 33,133,567.05
  5. Step 5: Solve for x
    x = 33,133,567.05/5,890.08
  6. Step 6: Final answer
    x = 5,625.32

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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.