Home / 6,277.89-8,663.58-3,445.22

Finding the Fourth Proportional to 6,277.89, 8,663.58 and 3,445.22

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Solution

The fourth proportional to 6,277.89, 8,663.58 and 3,445.22 is: 4,754.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,277.89 : 8,663.58 = 3,445.22 : x
  2. Step 2: Convert to fraction form
    6,277.89/8,663.58 = 3,445.22/x
  3. Step 3: Cross multiply
    6,277.89x = 8,663.58 × 3,445.22
  4. Step 4: Simplify right side
    6,277.89x = 29,847,895.77
  5. Step 5: Solve for x
    x = 29,847,895.77/6,277.89
  6. Step 6: Final answer
    x = 4,754.45

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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.