Home / 5,125.05-7,068.78-3,133.98

Finding the Fourth Proportional to 5,125.05, 7,068.78 and 3,133.98

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Solution

The fourth proportional to 5,125.05, 7,068.78 and 3,133.98 is: 4,322.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.05 : 7,068.78 = 3,133.98 : x
  2. Step 2: Convert to fraction form
    5,125.05/7,068.78 = 3,133.98/x
  3. Step 3: Cross multiply
    5,125.05x = 7,068.78 × 3,133.98
  4. Step 4: Simplify right side
    5,125.05x = 22,153,415.14
  5. Step 5: Solve for x
    x = 22,153,415.14/5,125.05
  6. Step 6: Final answer
    x = 4,322.58

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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.