Home / 6,135.02-8,457.82-4,142.42

Finding the Fourth Proportional to 6,135.02, 8,457.82 and 4,142.42

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Solution

The fourth proportional to 6,135.02, 8,457.82 and 4,142.42 is: 5,710.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,135.02 : 8,457.82 = 4,142.42 : x
  2. Step 2: Convert to fraction form
    6,135.02/8,457.82 = 4,142.42/x
  3. Step 3: Cross multiply
    6,135.02x = 8,457.82 × 4,142.42
  4. Step 4: Simplify right side
    6,135.02x = 35,035,790.08
  5. Step 5: Solve for x
    x = 35,035,790.08/6,135.02
  6. Step 6: Final answer
    x = 5,710.79

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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.