Home / 6,077.09-8,387.47-3,559.05

Finding the Fourth Proportional to 6,077.09, 8,387.47 and 3,559.05

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Solution

The fourth proportional to 6,077.09, 8,387.47 and 3,559.05 is: 4,912.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,077.09 : 8,387.47 = 3,559.05 : x
  2. Step 2: Convert to fraction form
    6,077.09/8,387.47 = 3,559.05/x
  3. Step 3: Cross multiply
    6,077.09x = 8,387.47 × 3,559.05
  4. Step 4: Simplify right side
    6,077.09x = 29,851,407.31
  5. Step 5: Solve for x
    x = 29,851,407.31/6,077.09
  6. Step 6: Final answer
    x = 4,912.13

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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.