Home / 7,750.77-10,695.96-4,214.04

Finding the Fourth Proportional to 7,750.77, 10,695.96 and 4,214.04

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Solution

The fourth proportional to 7,750.77, 10,695.96 and 4,214.04 is: 5,815.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.77 : 10,695.96 = 4,214.04 : x
  2. Step 2: Convert to fraction form
    7,750.77/10,695.96 = 4,214.04/x
  3. Step 3: Cross multiply
    7,750.77x = 10,695.96 × 4,214.04
  4. Step 4: Simplify right side
    7,750.77x = 45,073,203.28
  5. Step 5: Solve for x
    x = 45,073,203.28/7,750.77
  6. Step 6: Final answer
    x = 5,815.32

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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.