Home / 2,031.12-2,803.68-1,589.76

Finding the Fourth Proportional to 2,031.12, 2,803.68 and 1,589.76

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Solution

The fourth proportional to 2,031.12, 2,803.68 and 1,589.76 is: 2,194.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.12 : 2,803.68 = 1,589.76 : x
  2. Step 2: Convert to fraction form
    2,031.12/2,803.68 = 1,589.76/x
  3. Step 3: Cross multiply
    2,031.12x = 2,803.68 × 1,589.76
  4. Step 4: Simplify right side
    2,031.12x = 4,457,178.32
  5. Step 5: Solve for x
    x = 4,457,178.32/2,031.12
  6. Step 6: Final answer
    x = 2,194.44

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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.