Home / 4,887.10-7,332.70-2,112.34

Finding the Fourth Proportional to 4,887.10, 7,332.70 and 2,112.34

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Solution

The fourth proportional to 4,887.10, 7,332.70 and 2,112.34 is: 3,169.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.10 : 7,332.70 = 2,112.34 : x
  2. Step 2: Convert to fraction form
    4,887.10/7,332.70 = 2,112.34/x
  3. Step 3: Cross multiply
    4,887.10x = 7,332.70 × 2,112.34
  4. Step 4: Simplify right side
    4,887.10x = 15,489,155.52
  5. Step 5: Solve for x
    x = 15,489,155.52/4,887.10
  6. Step 6: Final answer
    x = 3,169.40

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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.