Home / 5,822.76-8,734.05-1,440.21

Finding the Fourth Proportional to 5,822.76, 8,734.05 and 1,440.21

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Solution

The fourth proportional to 5,822.76, 8,734.05 and 1,440.21 is: 2,160.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,822.76 : 8,734.05 = 1,440.21 : x
  2. Step 2: Convert to fraction form
    5,822.76/8,734.05 = 1,440.21/x
  3. Step 3: Cross multiply
    5,822.76x = 8,734.05 × 1,440.21
  4. Step 4: Simplify right side
    5,822.76x = 12,578,866.15
  5. Step 5: Solve for x
    x = 12,578,866.15/5,822.76
  6. Step 6: Final answer
    x = 2,160.29

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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.