Home / 5,310.36-7,328.54-2,952.72

Finding the Fourth Proportional to 5,310.36, 7,328.54 and 2,952.72

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Solution

The fourth proportional to 5,310.36, 7,328.54 and 2,952.72 is: 4,074.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.36 : 7,328.54 = 2,952.72 : x
  2. Step 2: Convert to fraction form
    5,310.36/7,328.54 = 2,952.72/x
  3. Step 3: Cross multiply
    5,310.36x = 7,328.54 × 2,952.72
  4. Step 4: Simplify right side
    5,310.36x = 21,639,126.63
  5. Step 5: Solve for x
    x = 21,639,126.63/5,310.36
  6. Step 6: Final answer
    x = 4,074.89

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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.