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Finding the Fourth Proportional to 5,913.65, 8,152.98 and 4,901.57

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Solution

The fourth proportional to 5,913.65, 8,152.98 and 4,901.57 is: 6,757.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.65 : 8,152.98 = 4,901.57 : x
  2. Step 2: Convert to fraction form
    5,913.65/8,152.98 = 4,901.57/x
  3. Step 3: Cross multiply
    5,913.65x = 8,152.98 × 4,901.57
  4. Step 4: Simplify right side
    5,913.65x = 39,962,391.99
  5. Step 5: Solve for x
    x = 39,962,391.99/5,913.65
  6. Step 6: Final answer
    x = 6,757.66

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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.