Home / 6,077.25-8,386.65-3,720.96

Finding the Fourth Proportional to 6,077.25, 8,386.65 and 3,720.96

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Solution

The fourth proportional to 6,077.25, 8,386.65 and 3,720.96 is: 5,134.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,077.25 : 8,386.65 = 3,720.96 : x
  2. Step 2: Convert to fraction form
    6,077.25/8,386.65 = 3,720.96/x
  3. Step 3: Cross multiply
    6,077.25x = 8,386.65 × 3,720.96
  4. Step 4: Simplify right side
    6,077.25x = 31,206,389.18
  5. Step 5: Solve for x
    x = 31,206,389.18/6,077.25
  6. Step 6: Final answer
    x = 5,134.95

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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.