Home / 5,109.96-7,652.76-3,156.24

Finding the Fourth Proportional to 5,109.96, 7,652.76 and 3,156.24

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Solution

The fourth proportional to 5,109.96, 7,652.76 and 3,156.24 is: 4,726.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109.96 : 7,652.76 = 3,156.24 : x
  2. Step 2: Convert to fraction form
    5,109.96/7,652.76 = 3,156.24/x
  3. Step 3: Cross multiply
    5,109.96x = 7,652.76 × 3,156.24
  4. Step 4: Simplify right side
    5,109.96x = 24,153,947.22
  5. Step 5: Solve for x
    x = 24,153,947.22/5,109.96
  6. Step 6: Final answer
    x = 4,726.84

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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.