Home / 7,558.28-10,430.20-4,200.92

Finding the Fourth Proportional to 7,558.28, 10,430.20 and 4,200.92

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Solution

The fourth proportional to 7,558.28, 10,430.20 and 4,200.92 is: 5,797.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,558.28 : 10,430.20 = 4,200.92 : x
  2. Step 2: Convert to fraction form
    7,558.28/10,430.20 = 4,200.92/x
  3. Step 3: Cross multiply
    7,558.28x = 10,430.20 × 4,200.92
  4. Step 4: Simplify right side
    7,558.28x = 43,816,435.78
  5. Step 5: Solve for x
    x = 43,816,435.78/7,558.28
  6. Step 6: Final answer
    x = 5,797.14

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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.