Home / 2,031.14-2,803.05-1,147.04

Finding the Fourth Proportional to 2,031.14, 2,803.05 and 1,147.04

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Solution

The fourth proportional to 2,031.14, 2,803.05 and 1,147.04 is: 1,582.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.14 : 2,803.05 = 1,147.04 : x
  2. Step 2: Convert to fraction form
    2,031.14/2,803.05 = 1,147.04/x
  3. Step 3: Cross multiply
    2,031.14x = 2,803.05 × 1,147.04
  4. Step 4: Simplify right side
    2,031.14x = 3,215,210.47
  5. Step 5: Solve for x
    x = 3,215,210.47/2,031.14
  6. Step 6: Final answer
    x = 1,582.96

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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.