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Finding the Fourth Proportional to 5,677.17, 8,507.95 and 2,897.98

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Solution

The fourth proportional to 5,677.17, 8,507.95 and 2,897.98 is: 4,342.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,677.17 : 8,507.95 = 2,897.98 : x
  2. Step 2: Convert to fraction form
    5,677.17/8,507.95 = 2,897.98/x
  3. Step 3: Cross multiply
    5,677.17x = 8,507.95 × 2,897.98
  4. Step 4: Simplify right side
    5,677.17x = 24,655,868.94
  5. Step 5: Solve for x
    x = 24,655,868.94/5,677.17
  6. Step 6: Final answer
    x = 4,342.99

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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.