Home / 1,591.13-2,196.24-1,031.63

Finding the Fourth Proportional to 1,591.13, 2,196.24 and 1,031.63

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Solution

The fourth proportional to 1,591.13, 2,196.24 and 1,031.63 is: 1,423.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591.13 : 2,196.24 = 1,031.63 : x
  2. Step 2: Convert to fraction form
    1,591.13/2,196.24 = 1,031.63/x
  3. Step 3: Cross multiply
    1,591.13x = 2,196.24 × 1,031.63
  4. Step 4: Simplify right side
    1,591.13x = 2,265,707.07
  5. Step 5: Solve for x
    x = 2,265,707.07/1,591.13
  6. Step 6: Final answer
    x = 1,423.96

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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.