Home / 7,540.16-10,406.61-4,556.39

Finding the Fourth Proportional to 7,540.16, 10,406.61 and 4,556.39

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Solution

The fourth proportional to 7,540.16, 10,406.61 and 4,556.39 is: 6,288.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.16 : 10,406.61 = 4,556.39 : x
  2. Step 2: Convert to fraction form
    7,540.16/10,406.61 = 4,556.39/x
  3. Step 3: Cross multiply
    7,540.16x = 10,406.61 × 4,556.39
  4. Step 4: Simplify right side
    7,540.16x = 47,416,521.70
  5. Step 5: Solve for x
    x = 47,416,521.70/7,540.16
  6. Step 6: Final answer
    x = 6,288.53

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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.