Home / 5,725.60-8,632.56-5,690.06

Finding the Fourth Proportional to 5,725.60, 8,632.56 and 5,690.06

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Solution

The fourth proportional to 5,725.60, 8,632.56 and 5,690.06 is: 8,578.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.60 : 8,632.56 = 5,690.06 : x
  2. Step 2: Convert to fraction form
    5,725.60/8,632.56 = 5,690.06/x
  3. Step 3: Cross multiply
    5,725.60x = 8,632.56 × 5,690.06
  4. Step 4: Simplify right side
    5,725.60x = 49,119,811.45
  5. Step 5: Solve for x
    x = 49,119,811.45/5,725.60
  6. Step 6: Final answer
    x = 8,578.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.