Home / 5,275.37-7,279.52-2,917.46

Finding the Fourth Proportional to 5,275.37, 7,279.52 and 2,917.46

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Solution

The fourth proportional to 5,275.37, 7,279.52 and 2,917.46 is: 4,025.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.37 : 7,279.52 = 2,917.46 : x
  2. Step 2: Convert to fraction form
    5,275.37/7,279.52 = 2,917.46/x
  3. Step 3: Cross multiply
    5,275.37x = 7,279.52 × 2,917.46
  4. Step 4: Simplify right side
    5,275.37x = 21,237,657.43
  5. Step 5: Solve for x
    x = 21,237,657.43/5,275.37
  6. Step 6: Final answer
    x = 4,025.82

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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.