Home / 5,163.84-7,126.16-2,925.68

Finding the Fourth Proportional to 5,163.84, 7,126.16 and 2,925.68

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Solution

The fourth proportional to 5,163.84, 7,126.16 and 2,925.68 is: 4,037.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.84 : 7,126.16 = 2,925.68 : x
  2. Step 2: Convert to fraction form
    5,163.84/7,126.16 = 2,925.68/x
  3. Step 3: Cross multiply
    5,163.84x = 7,126.16 × 2,925.68
  4. Step 4: Simplify right side
    5,163.84x = 20,848,813.53
  5. Step 5: Solve for x
    x = 20,848,813.53/5,163.84
  6. Step 6: Final answer
    x = 4,037.46

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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.