Home / 5,247.68-7,238.72-3,152.32

Finding the Fourth Proportional to 5,247.68, 7,238.72 and 3,152.32

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Solution

The fourth proportional to 5,247.68, 7,238.72 and 3,152.32 is: 4,348.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.68 : 7,238.72 = 3,152.32 : x
  2. Step 2: Convert to fraction form
    5,247.68/7,238.72 = 3,152.32/x
  3. Step 3: Cross multiply
    5,247.68x = 7,238.72 × 3,152.32
  4. Step 4: Simplify right side
    5,247.68x = 22,818,761.83
  5. Step 5: Solve for x
    x = 22,818,761.83/5,247.68
  6. Step 6: Final answer
    x = 4,348.35

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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.