Home / 7,472.13-11,204.95-2,540.45

Finding the Fourth Proportional to 7,472.13, 11,204.95 and 2,540.45

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Solution

The fourth proportional to 7,472.13, 11,204.95 and 2,540.45 is: 3,809.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.13 : 11,204.95 = 2,540.45 : x
  2. Step 2: Convert to fraction form
    7,472.13/11,204.95 = 2,540.45/x
  3. Step 3: Cross multiply
    7,472.13x = 11,204.95 × 2,540.45
  4. Step 4: Simplify right side
    7,472.13x = 28,465,615.23
  5. Step 5: Solve for x
    x = 28,465,615.23/7,472.13
  6. Step 6: Final answer
    x = 3,809.57

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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.