Home / 5,309.16-7,326.69-3,320.88

Finding the Fourth Proportional to 5,309.16, 7,326.69 and 3,320.88

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Solution

The fourth proportional to 5,309.16, 7,326.69 and 3,320.88 is: 4,582.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309.16 : 7,326.69 = 3,320.88 : x
  2. Step 2: Convert to fraction form
    5,309.16/7,326.69 = 3,320.88/x
  3. Step 3: Cross multiply
    5,309.16x = 7,326.69 × 3,320.88
  4. Step 4: Simplify right side
    5,309.16x = 24,331,058.29
  5. Step 5: Solve for x
    x = 24,331,058.29/5,309.16
  6. Step 6: Final answer
    x = 4,582.85

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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.