Home / 7,407.19-10,221.81-4,422.46

Finding the Fourth Proportional to 7,407.19, 10,221.81 and 4,422.46

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Solution

The fourth proportional to 7,407.19, 10,221.81 and 4,422.46 is: 6,102.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.19 : 10,221.81 = 4,422.46 : x
  2. Step 2: Convert to fraction form
    7,407.19/10,221.81 = 4,422.46/x
  3. Step 3: Cross multiply
    7,407.19x = 10,221.81 × 4,422.46
  4. Step 4: Simplify right side
    7,407.19x = 45,205,523.74
  5. Step 5: Solve for x
    x = 45,205,523.74/7,407.19
  6. Step 6: Final answer
    x = 6,102.93

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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.