Home / 7,458.21-10,292.40-4,100.96

Finding the Fourth Proportional to 7,458.21, 10,292.40 and 4,100.96

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Solution

The fourth proportional to 7,458.21, 10,292.40 and 4,100.96 is: 5,659.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.21 : 10,292.40 = 4,100.96 : x
  2. Step 2: Convert to fraction form
    7,458.21/10,292.40 = 4,100.96/x
  3. Step 3: Cross multiply
    7,458.21x = 10,292.40 × 4,100.96
  4. Step 4: Simplify right side
    7,458.21x = 42,208,746.44
  5. Step 5: Solve for x
    x = 42,208,746.44/7,458.21
  6. Step 6: Final answer
    x = 5,659.37

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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.