Home / 5,370.32-7,411.12-3,245.55

Finding the Fourth Proportional to 5,370.32, 7,411.12 and 3,245.55

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Solution

The fourth proportional to 5,370.32, 7,411.12 and 3,245.55 is: 4,478.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.32 : 7,411.12 = 3,245.55 : x
  2. Step 2: Convert to fraction form
    5,370.32/7,411.12 = 3,245.55/x
  3. Step 3: Cross multiply
    5,370.32x = 7,411.12 × 3,245.55
  4. Step 4: Simplify right side
    5,370.32x = 24,053,187.16
  5. Step 5: Solve for x
    x = 24,053,187.16/5,370.32
  6. Step 6: Final answer
    x = 4,478.91

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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.