Home / 5,364.09-7,404.45-3,126.66

Finding the Fourth Proportional to 5,364.09, 7,404.45 and 3,126.66

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Solution

The fourth proportional to 5,364.09, 7,404.45 and 3,126.66 is: 4,315.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,364.09 : 7,404.45 = 3,126.66 : x
  2. Step 2: Convert to fraction form
    5,364.09/7,404.45 = 3,126.66/x
  3. Step 3: Cross multiply
    5,364.09x = 7,404.45 × 3,126.66
  4. Step 4: Simplify right side
    5,364.09x = 23,151,197.64
  5. Step 5: Solve for x
    x = 23,151,197.64/5,364.09
  6. Step 6: Final answer
    x = 4,315.96

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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.