Home / 5,113.20-7,057.36-3,341.76

Finding the Fourth Proportional to 5,113.20, 7,057.36 and 3,341.76

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Solution

The fourth proportional to 5,113.20, 7,057.36 and 3,341.76 is: 4,612.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.20 : 7,057.36 = 3,341.76 : x
  2. Step 2: Convert to fraction form
    5,113.20/7,057.36 = 3,341.76/x
  3. Step 3: Cross multiply
    5,113.20x = 7,057.36 × 3,341.76
  4. Step 4: Simplify right side
    5,113.20x = 23,584,003.35
  5. Step 5: Solve for x
    x = 23,584,003.35/5,113.20
  6. Step 6: Final answer
    x = 4,612.38

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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.