Home / 7,370.88-10,170.72-4,225.92

Finding the Fourth Proportional to 7,370.88, 10,170.72 and 4,225.92

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Solution

The fourth proportional to 7,370.88, 10,170.72 and 4,225.92 is: 5,831.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,370.88 : 10,170.72 = 4,225.92 : x
  2. Step 2: Convert to fraction form
    7,370.88/10,170.72 = 4,225.92/x
  3. Step 3: Cross multiply
    7,370.88x = 10,170.72 × 4,225.92
  4. Step 4: Simplify right side
    7,370.88x = 42,980,649.06
  5. Step 5: Solve for x
    x = 42,980,649.06/7,370.88
  6. Step 6: Final answer
    x = 5,831.14

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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.