Home / 5,263.20-7,264.32-3,168.48

Finding the Fourth Proportional to 5,263.20, 7,264.32 and 3,168.48

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Solution

The fourth proportional to 5,263.20, 7,264.32 and 3,168.48 is: 4,373.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,263.20 : 7,264.32 = 3,168.48 : x
  2. Step 2: Convert to fraction form
    5,263.20/7,264.32 = 3,168.48/x
  3. Step 3: Cross multiply
    5,263.20x = 7,264.32 × 3,168.48
  4. Step 4: Simplify right side
    5,263.20x = 23,016,852.63
  5. Step 5: Solve for x
    x = 23,016,852.63/5,263.20
  6. Step 6: Final answer
    x = 4,373.17

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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.