Home / 6,272.10-8,655.12-3,477.60

Finding the Fourth Proportional to 6,272.10, 8,655.12 and 3,477.60

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Solution

The fourth proportional to 6,272.10, 8,655.12 and 3,477.60 is: 4,798.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,272.10 : 8,655.12 = 3,477.60 : x
  2. Step 2: Convert to fraction form
    6,272.10/8,655.12 = 3,477.60/x
  3. Step 3: Cross multiply
    6,272.10x = 8,655.12 × 3,477.60
  4. Step 4: Simplify right side
    6,272.10x = 30,099,045.31
  5. Step 5: Solve for x
    x = 30,099,045.31/6,272.10
  6. Step 6: Final answer
    x = 4,798.88

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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.