Home / 5,276.48-7,285.20-3,511.76

Finding the Fourth Proportional to 5,276.48, 7,285.20 and 3,511.76

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Solution

The fourth proportional to 5,276.48, 7,285.20 and 3,511.76 is: 4,848.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.48 : 7,285.20 = 3,511.76 : x
  2. Step 2: Convert to fraction form
    5,276.48/7,285.20 = 3,511.76/x
  3. Step 3: Cross multiply
    5,276.48x = 7,285.20 × 3,511.76
  4. Step 4: Simplify right side
    5,276.48x = 25,583,873.95
  5. Step 5: Solve for x
    x = 25,583,873.95/5,276.48
  6. Step 6: Final answer
    x = 4,848.66

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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.