Home / 5,417.94-8,121.98-1,952.76

Finding the Fourth Proportional to 5,417.94, 8,121.98 and 1,952.76

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Solution

The fourth proportional to 5,417.94, 8,121.98 and 1,952.76 is: 2,927.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.94 : 8,121.98 = 1,952.76 : x
  2. Step 2: Convert to fraction form
    5,417.94/8,121.98 = 1,952.76/x
  3. Step 3: Cross multiply
    5,417.94x = 8,121.98 × 1,952.76
  4. Step 4: Simplify right side
    5,417.94x = 15,860,277.66
  5. Step 5: Solve for x
    x = 15,860,277.66/5,417.94
  6. Step 6: Final answer
    x = 2,927.36

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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.