Home / 4,335.12-5,981.65-2,656.80

Finding the Fourth Proportional to 4,335.12, 5,981.65 and 2,656.80

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Solution

The fourth proportional to 4,335.12, 5,981.65 and 2,656.80 is: 3,665.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,335.12 : 5,981.65 = 2,656.80 : x
  2. Step 2: Convert to fraction form
    4,335.12/5,981.65 = 2,656.80/x
  3. Step 3: Cross multiply
    4,335.12x = 5,981.65 × 2,656.80
  4. Step 4: Simplify right side
    4,335.12x = 15,892,041.08
  5. Step 5: Solve for x
    x = 15,892,041.08/4,335.12
  6. Step 6: Final answer
    x = 3,665.88

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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.