Home / 5,276.99-7,282.24-2,886.95

Finding the Fourth Proportional to 5,276.99, 7,282.24 and 2,886.95

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Solution

The fourth proportional to 5,276.99, 7,282.24 and 2,886.95 is: 3,983.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.99 : 7,282.24 = 2,886.95 : x
  2. Step 2: Convert to fraction form
    5,276.99/7,282.24 = 2,886.95/x
  3. Step 3: Cross multiply
    5,276.99x = 7,282.24 × 2,886.95
  4. Step 4: Simplify right side
    5,276.99x = 21,023,473.76
  5. Step 5: Solve for x
    x = 21,023,473.76/5,276.99
  6. Step 6: Final answer
    x = 3,983.99

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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.