Home / 4,707.77-7,061.12-1,245.29

Finding the Fourth Proportional to 4,707.77, 7,061.12 and 1,245.29

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Solution

The fourth proportional to 4,707.77, 7,061.12 and 1,245.29 is: 1,867.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,707.77 : 7,061.12 = 1,245.29 : x
  2. Step 2: Convert to fraction form
    4,707.77/7,061.12 = 1,245.29/x
  3. Step 3: Cross multiply
    4,707.77x = 7,061.12 × 1,245.29
  4. Step 4: Simplify right side
    4,707.77x = 8,793,135.90
  5. Step 5: Solve for x
    x = 8,793,135.90/4,707.77
  6. Step 6: Final answer
    x = 1,867.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.