Home / 5,484.39-7,568.40-3,126.39

Finding the Fourth Proportional to 5,484.39, 7,568.40 and 3,126.39

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Solution

The fourth proportional to 5,484.39, 7,568.40 and 3,126.39 is: 4,314.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,484.39 : 7,568.40 = 3,126.39 : x
  2. Step 2: Convert to fraction form
    5,484.39/7,568.40 = 3,126.39/x
  3. Step 3: Cross multiply
    5,484.39x = 7,568.40 × 3,126.39
  4. Step 4: Simplify right side
    5,484.39x = 23,661,770.08
  5. Step 5: Solve for x
    x = 23,661,770.08/5,484.39
  6. Step 6: Final answer
    x = 4,314.39

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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.