Home / 5,395.69-7,447.16-3,404.91

Finding the Fourth Proportional to 5,395.69, 7,447.16 and 3,404.91

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Solution

The fourth proportional to 5,395.69, 7,447.16 and 3,404.91 is: 4,699.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395.69 : 7,447.16 = 3,404.91 : x
  2. Step 2: Convert to fraction form
    5,395.69/7,447.16 = 3,404.91/x
  3. Step 3: Cross multiply
    5,395.69x = 7,447.16 × 3,404.91
  4. Step 4: Simplify right side
    5,395.69x = 25,356,909.56
  5. Step 5: Solve for x
    x = 25,356,909.56/5,395.69
  6. Step 6: Final answer
    x = 4,699.47

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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.