Home / 5,265.63-7,897.77-2,455.47

Finding the Fourth Proportional to 5,265.63, 7,897.77 and 2,455.47

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Solution

The fourth proportional to 5,265.63, 7,897.77 and 2,455.47 is: 3,682.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265.63 : 7,897.77 = 2,455.47 : x
  2. Step 2: Convert to fraction form
    5,265.63/7,897.77 = 2,455.47/x
  3. Step 3: Cross multiply
    5,265.63x = 7,897.77 × 2,455.47
  4. Step 4: Simplify right side
    5,265.63x = 19,392,737.30
  5. Step 5: Solve for x
    x = 19,392,737.30/5,265.63
  6. Step 6: Final answer
    x = 3,682.89

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1.5x scale

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.