Home / 5,426.90-8,140.35-4,114.70

Finding the Fourth Proportional to 5,426.90, 8,140.35 and 4,114.70

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Solution

The fourth proportional to 5,426.90, 8,140.35 and 4,114.70 is: 6,172.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.90 : 8,140.35 = 4,114.70 : x
  2. Step 2: Convert to fraction form
    5,426.90/8,140.35 = 4,114.70/x
  3. Step 3: Cross multiply
    5,426.90x = 8,140.35 × 4,114.70
  4. Step 4: Simplify right side
    5,426.90x = 33,495,098.15
  5. Step 5: Solve for x
    x = 33,495,098.15/5,426.90
  6. Step 6: Final answer
    x = 6,172.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.