Home / 7,405.13-10,219.76-4,261.92

Finding the Fourth Proportional to 7,405.13, 10,219.76 and 4,261.92

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Solution

The fourth proportional to 7,405.13, 10,219.76 and 4,261.92 is: 5,881.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.13 : 10,219.76 = 4,261.92 : x
  2. Step 2: Convert to fraction form
    7,405.13/10,219.76 = 4,261.92/x
  3. Step 3: Cross multiply
    7,405.13x = 10,219.76 × 4,261.92
  4. Step 4: Simplify right side
    7,405.13x = 43,555,778.23
  5. Step 5: Solve for x
    x = 43,555,778.23/7,405.13
  6. Step 6: Final answer
    x = 5,881.84

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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.