Home / 5,166.72-7,126.09-3,485.46

Finding the Fourth Proportional to 5,166.72, 7,126.09 and 3,485.46

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Solution

The fourth proportional to 5,166.72, 7,126.09 and 3,485.46 is: 4,807.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166.72 : 7,126.09 = 3,485.46 : x
  2. Step 2: Convert to fraction form
    5,166.72/7,126.09 = 3,485.46/x
  3. Step 3: Cross multiply
    5,166.72x = 7,126.09 × 3,485.46
  4. Step 4: Simplify right side
    5,166.72x = 24,837,701.65
  5. Step 5: Solve for x
    x = 24,837,701.65/5,166.72
  6. Step 6: Final answer
    x = 4,807.25

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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.