Home / 6,128.28-8,457.02-3,333.76

Finding the Fourth Proportional to 6,128.28, 8,457.02 and 3,333.76

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Solution

The fourth proportional to 6,128.28, 8,457.02 and 3,333.76 is: 4,600.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128.28 : 8,457.02 = 3,333.76 : x
  2. Step 2: Convert to fraction form
    6,128.28/8,457.02 = 3,333.76/x
  3. Step 3: Cross multiply
    6,128.28x = 8,457.02 × 3,333.76
  4. Step 4: Simplify right side
    6,128.28x = 28,193,675.00
  5. Step 5: Solve for x
    x = 28,193,675.00/6,128.28
  6. Step 6: Final answer
    x = 4,600.59

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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.