Home / 7,159.62-9,880.35-4,177.26

Finding the Fourth Proportional to 7,159.62, 9,880.35 and 4,177.26

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Solution

The fourth proportional to 7,159.62, 9,880.35 and 4,177.26 is: 5,764.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.62 : 9,880.35 = 4,177.26 : x
  2. Step 2: Convert to fraction form
    7,159.62/9,880.35 = 4,177.26/x
  3. Step 3: Cross multiply
    7,159.62x = 9,880.35 × 4,177.26
  4. Step 4: Simplify right side
    7,159.62x = 41,272,790.84
  5. Step 5: Solve for x
    x = 41,272,790.84/7,159.62
  6. Step 6: Final answer
    x = 5,764.66

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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.