Home / 5,887.68-8,121.59-3,528.45

Finding the Fourth Proportional to 5,887.68, 8,121.59 and 3,528.45

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Solution

The fourth proportional to 5,887.68, 8,121.59 and 3,528.45 is: 4,867.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,887.68 : 8,121.59 = 3,528.45 : x
  2. Step 2: Convert to fraction form
    5,887.68/8,121.59 = 3,528.45/x
  3. Step 3: Cross multiply
    5,887.68x = 8,121.59 × 3,528.45
  4. Step 4: Simplify right side
    5,887.68x = 28,656,624.24
  5. Step 5: Solve for x
    x = 28,656,624.24/5,887.68
  6. Step 6: Final answer
    x = 4,867.22

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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.