Home / 7,630.56-11,442.30-3,470.40

Finding the Fourth Proportional to 7,630.56, 11,442.30 and 3,470.40

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Solution

The fourth proportional to 7,630.56, 11,442.30 and 3,470.40 is: 5,203.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,630.56 : 11,442.30 = 3,470.40 : x
  2. Step 2: Convert to fraction form
    7,630.56/11,442.30 = 3,470.40/x
  3. Step 3: Cross multiply
    7,630.56x = 11,442.30 × 3,470.40
  4. Step 4: Simplify right side
    7,630.56x = 39,709,357.92
  5. Step 5: Solve for x
    x = 39,709,357.92/7,630.56
  6. Step 6: Final answer
    x = 5,203.99

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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.