Home / 3,354.17-5,031.27-889.34

Finding the Fourth Proportional to 3,354.17, 5,031.27 and 889.34

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Solution

The fourth proportional to 3,354.17, 5,031.27 and 889.34 is: 1,334.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.17 : 5,031.27 = 889.34 : x
  2. Step 2: Convert to fraction form
    3,354.17/5,031.27 = 889.34/x
  3. Step 3: Cross multiply
    3,354.17x = 5,031.27 × 889.34
  4. Step 4: Simplify right side
    3,354.17x = 4,474,484.51
  5. Step 5: Solve for x
    x = 4,474,484.51/3,354.17
  6. Step 6: Final answer
    x = 1,334.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.