Home / 7,410.28-10,228.26-4,267.72

Finding the Fourth Proportional to 7,410.28, 10,228.26 and 4,267.72

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Solution

The fourth proportional to 7,410.28, 10,228.26 and 4,267.72 is: 5,890.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410.28 : 10,228.26 = 4,267.72 : x
  2. Step 2: Convert to fraction form
    7,410.28/10,228.26 = 4,267.72/x
  3. Step 3: Cross multiply
    7,410.28x = 10,228.26 × 4,267.72
  4. Step 4: Simplify right side
    7,410.28x = 43,651,349.77
  5. Step 5: Solve for x
    x = 43,651,349.77/7,410.28
  6. Step 6: Final answer
    x = 5,890.65

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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.