Home / 5,276.12-7,913.00-1,577.86

Finding the Fourth Proportional to 5,276.12, 7,913.00 and 1,577.86

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Solution

The fourth proportional to 5,276.12, 7,913.00 and 1,577.86 is: 2,366.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.12 : 7,913.00 = 1,577.86 : x
  2. Step 2: Convert to fraction form
    5,276.12/7,913.00 = 1,577.86/x
  3. Step 3: Cross multiply
    5,276.12x = 7,913.00 × 1,577.86
  4. Step 4: Simplify right side
    5,276.12x = 12,485,590.34
  5. Step 5: Solve for x
    x = 12,485,590.34/5,276.12
  6. Step 6: Final answer
    x = 2,366.44

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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.