Home / 1,402.07-2,098.53-1,031.77

Finding the Fourth Proportional to 1,402.07, 2,098.53 and 1,031.77

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Solution

The fourth proportional to 1,402.07, 2,098.53 and 1,031.77 is: 1,544.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402.07 : 2,098.53 = 1,031.77 : x
  2. Step 2: Convert to fraction form
    1,402.07/2,098.53 = 1,031.77/x
  3. Step 3: Cross multiply
    1,402.07x = 2,098.53 × 1,031.77
  4. Step 4: Simplify right side
    1,402.07x = 2,165,202.92
  5. Step 5: Solve for x
    x = 2,165,202.92/1,402.07
  6. Step 6: Final answer
    x = 1,544.30

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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.