Home / 5,269.42-7,905.15-1,571.57

Finding the Fourth Proportional to 5,269.42, 7,905.15 and 1,571.57

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Solution

The fourth proportional to 5,269.42, 7,905.15 and 1,571.57 is: 2,357.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.42 : 7,905.15 = 1,571.57 : x
  2. Step 2: Convert to fraction form
    5,269.42/7,905.15 = 1,571.57/x
  3. Step 3: Cross multiply
    5,269.42x = 7,905.15 × 1,571.57
  4. Step 4: Simplify right side
    5,269.42x = 12,423,486.70
  5. Step 5: Solve for x
    x = 12,423,486.70/5,269.42
  6. Step 6: Final answer
    x = 2,357.66

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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.