Home / 5,250.51-7,875.50-2,653.38

Finding the Fourth Proportional to 5,250.51, 7,875.50 and 2,653.38

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Solution

The fourth proportional to 5,250.51, 7,875.50 and 2,653.38 is: 3,979.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.51 : 7,875.50 = 2,653.38 : x
  2. Step 2: Convert to fraction form
    5,250.51/7,875.50 = 2,653.38/x
  3. Step 3: Cross multiply
    5,250.51x = 7,875.50 × 2,653.38
  4. Step 4: Simplify right side
    5,250.51x = 20,896,680.92
  5. Step 5: Solve for x
    x = 20,896,680.92/5,250.51
  6. Step 6: Final answer
    x = 3,979.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.