Home / 7,470.63-11,202.71-2,538.95

Finding the Fourth Proportional to 7,470.63, 11,202.71 and 2,538.95

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Solution

The fourth proportional to 7,470.63, 11,202.71 and 2,538.95 is: 3,807.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.63 : 11,202.71 = 2,538.95 : x
  2. Step 2: Convert to fraction form
    7,470.63/11,202.71 = 2,538.95/x
  3. Step 3: Cross multiply
    7,470.63x = 11,202.71 × 2,538.95
  4. Step 4: Simplify right side
    7,470.63x = 28,443,051.85
  5. Step 5: Solve for x
    x = 28,443,051.85/7,470.63
  6. Step 6: Final answer
    x = 3,807.32

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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.