Home / 5,000.12-7,484.43-3,430.94

Finding the Fourth Proportional to 5,000.12, 7,484.43 and 3,430.94

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Solution

The fourth proportional to 5,000.12, 7,484.43 and 3,430.94 is: 5,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.12 : 7,484.43 = 3,430.94 : x
  2. Step 2: Convert to fraction form
    5,000.12/7,484.43 = 3,430.94/x
  3. Step 3: Cross multiply
    5,000.12x = 7,484.43 × 3,430.94
  4. Step 4: Simplify right side
    5,000.12x = 25,678,592.84
  5. Step 5: Solve for x
    x = 25,678,592.84/5,000.12
  6. Step 6: Final answer
    x = 5,135.60

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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.