Home / 5,077.50-7,000.43-4,226.70

Finding the Fourth Proportional to 5,077.50, 7,000.43 and 4,226.70

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Solution

The fourth proportional to 5,077.50, 7,000.43 and 4,226.70 is: 5,827.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.50 : 7,000.43 = 4,226.70 : x
  2. Step 2: Convert to fraction form
    5,077.50/7,000.43 = 4,226.70/x
  3. Step 3: Cross multiply
    5,077.50x = 7,000.43 × 4,226.70
  4. Step 4: Simplify right side
    5,077.50x = 29,588,683.22
  5. Step 5: Solve for x
    x = 29,588,683.22/5,077.50
  6. Step 6: Final answer
    x = 5,827.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.