Home / 5,572.32-7,706.52-4,872.48

Finding the Fourth Proportional to 5,572.32, 7,706.52 and 4,872.48

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Solution

The fourth proportional to 5,572.32, 7,706.52 and 4,872.48 is: 6,738.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572.32 : 7,706.52 = 4,872.48 : x
  2. Step 2: Convert to fraction form
    5,572.32/7,706.52 = 4,872.48/x
  3. Step 3: Cross multiply
    5,572.32x = 7,706.52 × 4,872.48
  4. Step 4: Simplify right side
    5,572.32x = 37,549,864.57
  5. Step 5: Solve for x
    x = 37,549,864.57/5,572.32
  6. Step 6: Final answer
    x = 6,738.64

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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.