Home / 5,053.84-7,581.48-2,455

Finding the Fourth Proportional to 5,053.84, 7,581.48 and 2,455

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Solution

The fourth proportional to 5,053.84, 7,581.48 and 2,455 is: 3,682.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.84 : 7,581.48 = 2,455 : x
  2. Step 2: Convert to fraction form
    5,053.84/7,581.48 = 2,455/x
  3. Step 3: Cross multiply
    5,053.84x = 7,581.48 × 2,455
  4. Step 4: Simplify right side
    5,053.84x = 18,612,533.40
  5. Step 5: Solve for x
    x = 18,612,533.40/5,053.84
  6. Step 6: Final answer
    x = 3,682.85

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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.