Home / 5,425.53-7,484.85-4,164.36

Finding the Fourth Proportional to 5,425.53, 7,484.85 and 4,164.36

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Solution

The fourth proportional to 5,425.53, 7,484.85 and 4,164.36 is: 5,744.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.53 : 7,484.85 = 4,164.36 : x
  2. Step 2: Convert to fraction form
    5,425.53/7,484.85 = 4,164.36/x
  3. Step 3: Cross multiply
    5,425.53x = 7,484.85 × 4,164.36
  4. Step 4: Simplify right side
    5,425.53x = 31,169,609.95
  5. Step 5: Solve for x
    x = 31,169,609.95/5,425.53
  6. Step 6: Final answer
    x = 5,744.99

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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.