Home / 5,435.13-8,154.02-1,539.44

Finding the Fourth Proportional to 5,435.13, 8,154.02 and 1,539.44

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Solution

The fourth proportional to 5,435.13, 8,154.02 and 1,539.44 is: 2,309.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.13 : 8,154.02 = 1,539.44 : x
  2. Step 2: Convert to fraction form
    5,435.13/8,154.02 = 1,539.44/x
  3. Step 3: Cross multiply
    5,435.13x = 8,154.02 × 1,539.44
  4. Step 4: Simplify right side
    5,435.13x = 12,552,624.55
  5. Step 5: Solve for x
    x = 12,552,624.55/5,435.13
  6. Step 6: Final answer
    x = 2,309.54

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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.