Home / 4,917.11-7,320.05-4,887.92

Finding the Fourth Proportional to 4,917.11, 7,320.05 and 4,887.92

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Solution

The fourth proportional to 4,917.11, 7,320.05 and 4,887.92 is: 7,276.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.11 : 7,320.05 = 4,887.92 : x
  2. Step 2: Convert to fraction form
    4,917.11/7,320.05 = 4,887.92/x
  3. Step 3: Cross multiply
    4,917.11x = 7,320.05 × 4,887.92
  4. Step 4: Simplify right side
    4,917.11x = 35,779,757.76
  5. Step 5: Solve for x
    x = 35,779,757.76/4,917.11
  6. Step 6: Final answer
    x = 7,276.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.