Home / 6,430.07-8,873.75-3,777.46

Finding the Fourth Proportional to 6,430.07, 8,873.75 and 3,777.46

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Solution

The fourth proportional to 6,430.07, 8,873.75 and 3,777.46 is: 5,213.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430.07 : 8,873.75 = 3,777.46 : x
  2. Step 2: Convert to fraction form
    6,430.07/8,873.75 = 3,777.46/x
  3. Step 3: Cross multiply
    6,430.07x = 8,873.75 × 3,777.46
  4. Step 4: Simplify right side
    6,430.07x = 33,520,222.93
  5. Step 5: Solve for x
    x = 33,520,222.93/6,430.07
  6. Step 6: Final answer
    x = 5,213.04

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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.