Home / 5,313.58-7,332.72-2,955.71

Finding the Fourth Proportional to 5,313.58, 7,332.72 and 2,955.71

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Solution

The fourth proportional to 5,313.58, 7,332.72 and 2,955.71 is: 4,078.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.58 : 7,332.72 = 2,955.71 : x
  2. Step 2: Convert to fraction form
    5,313.58/7,332.72 = 2,955.71/x
  3. Step 3: Cross multiply
    5,313.58x = 7,332.72 × 2,955.71
  4. Step 4: Simplify right side
    5,313.58x = 21,673,393.83
  5. Step 5: Solve for x
    x = 21,673,393.83/5,313.58
  6. Step 6: Final answer
    x = 4,078.87

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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.