Home / 6,753.19-9,316.93-4,200.78

Finding the Fourth Proportional to 6,753.19, 9,316.93 and 4,200.78

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Solution

The fourth proportional to 6,753.19, 9,316.93 and 4,200.78 is: 5,795.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,753.19 : 9,316.93 = 4,200.78 : x
  2. Step 2: Convert to fraction form
    6,753.19/9,316.93 = 4,200.78/x
  3. Step 3: Cross multiply
    6,753.19x = 9,316.93 × 4,200.78
  4. Step 4: Simplify right side
    6,753.19x = 39,138,373.21
  5. Step 5: Solve for x
    x = 39,138,373.21/6,753.19
  6. Step 6: Final answer
    x = 5,795.54

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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.