Home / 4,887.16-7,330.75-3,432.81

Finding the Fourth Proportional to 4,887.16, 7,330.75 and 3,432.81

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Solution

The fourth proportional to 4,887.16, 7,330.75 and 3,432.81 is: 5,149.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.16 : 7,330.75 = 3,432.81 : x
  2. Step 2: Convert to fraction form
    4,887.16/7,330.75 = 3,432.81/x
  3. Step 3: Cross multiply
    4,887.16x = 7,330.75 × 3,432.81
  4. Step 4: Simplify right side
    4,887.16x = 25,165,043.84
  5. Step 5: Solve for x
    x = 25,165,043.84/4,887.16
  6. Step 6: Final answer
    x = 5,149.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.