Home / 5,132.90-7,702.76-1,845.99

Finding the Fourth Proportional to 5,132.90, 7,702.76 and 1,845.99

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Solution

The fourth proportional to 5,132.90, 7,702.76 and 1,845.99 is: 2,770.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.90 : 7,702.76 = 1,845.99 : x
  2. Step 2: Convert to fraction form
    5,132.90/7,702.76 = 1,845.99/x
  3. Step 3: Cross multiply
    5,132.90x = 7,702.76 × 1,845.99
  4. Step 4: Simplify right side
    5,132.90x = 14,219,222.55
  5. Step 5: Solve for x
    x = 14,219,222.55/5,132.90
  6. Step 6: Final answer
    x = 2,770.21

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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.