Home / 5,315.24-7,334.92-2,925.28

Finding the Fourth Proportional to 5,315.24, 7,334.92 and 2,925.28

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Solution

The fourth proportional to 5,315.24, 7,334.92 and 2,925.28 is: 4,036.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.24 : 7,334.92 = 2,925.28 : x
  2. Step 2: Convert to fraction form
    5,315.24/7,334.92 = 2,925.28/x
  3. Step 3: Cross multiply
    5,315.24x = 7,334.92 × 2,925.28
  4. Step 4: Simplify right side
    5,315.24x = 21,456,694.78
  5. Step 5: Solve for x
    x = 21,456,694.78/5,315.24
  6. Step 6: Final answer
    x = 4,036.83

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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.