Home / 5,440.21-7,503.28-3,316.09

Finding the Fourth Proportional to 5,440.21, 7,503.28 and 3,316.09

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Solution

The fourth proportional to 5,440.21, 7,503.28 and 3,316.09 is: 4,573.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.21 : 7,503.28 = 3,316.09 : x
  2. Step 2: Convert to fraction form
    5,440.21/7,503.28 = 3,316.09/x
  3. Step 3: Cross multiply
    5,440.21x = 7,503.28 × 3,316.09
  4. Step 4: Simplify right side
    5,440.21x = 24,881,551.78
  5. Step 5: Solve for x
    x = 24,881,551.78/5,440.21
  6. Step 6: Final answer
    x = 4,573.64

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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.