Home / 5,311.96-7,967.40-1,416.76

Finding the Fourth Proportional to 5,311.96, 7,967.40 and 1,416.76

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Solution

The fourth proportional to 5,311.96, 7,967.40 and 1,416.76 is: 2,125.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.96 : 7,967.40 = 1,416.76 : x
  2. Step 2: Convert to fraction form
    5,311.96/7,967.40 = 1,416.76/x
  3. Step 3: Cross multiply
    5,311.96x = 7,967.40 × 1,416.76
  4. Step 4: Simplify right side
    5,311.96x = 11,287,893.62
  5. Step 5: Solve for x
    x = 11,287,893.62/5,311.96
  6. Step 6: Final answer
    x = 2,125.00

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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.