Home / 5,268.36-7,263.60-4,320.72

Finding the Fourth Proportional to 5,268.36, 7,263.60 and 4,320.72

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Solution

The fourth proportional to 5,268.36, 7,263.60 and 4,320.72 is: 5,957.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.36 : 7,263.60 = 4,320.72 : x
  2. Step 2: Convert to fraction form
    5,268.36/7,263.60 = 4,320.72/x
  3. Step 3: Cross multiply
    5,268.36x = 7,263.60 × 4,320.72
  4. Step 4: Simplify right side
    5,268.36x = 31,383,981.79
  5. Step 5: Solve for x
    x = 31,383,981.79/5,268.36
  6. Step 6: Final answer
    x = 5,957.07

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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.