Home / 5,581.15-7,701.64-3,062.75

Finding the Fourth Proportional to 5,581.15, 7,701.64 and 3,062.75

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Solution

The fourth proportional to 5,581.15, 7,701.64 and 3,062.75 is: 4,226.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.15 : 7,701.64 = 3,062.75 : x
  2. Step 2: Convert to fraction form
    5,581.15/7,701.64 = 3,062.75/x
  3. Step 3: Cross multiply
    5,581.15x = 7,701.64 × 3,062.75
  4. Step 4: Simplify right side
    5,581.15x = 23,588,197.91
  5. Step 5: Solve for x
    x = 23,588,197.91/5,581.15
  6. Step 6: Final answer
    x = 4,226.40

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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.