Home / 5,350.15-7,384.01-3,113.34

Finding the Fourth Proportional to 5,350.15, 7,384.01 and 3,113.34

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Solution

The fourth proportional to 5,350.15, 7,384.01 and 3,113.34 is: 4,296.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,350.15 : 7,384.01 = 3,113.34 : x
  2. Step 2: Convert to fraction form
    5,350.15/7,384.01 = 3,113.34/x
  3. Step 3: Cross multiply
    5,350.15x = 7,384.01 × 3,113.34
  4. Step 4: Simplify right side
    5,350.15x = 22,988,907.95
  5. Step 5: Solve for x
    x = 22,988,907.95/5,350.15
  6. Step 6: Final answer
    x = 4,296.87

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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.