Home / 7,031.00-9,703.76-4,046.78

Finding the Fourth Proportional to 7,031.00, 9,703.76 and 4,046.78

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Solution

The fourth proportional to 7,031.00, 9,703.76 and 4,046.78 is: 5,585.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.00 : 9,703.76 = 4,046.78 : x
  2. Step 2: Convert to fraction form
    7,031.00/9,703.76 = 4,046.78/x
  3. Step 3: Cross multiply
    7,031.00x = 9,703.76 × 4,046.78
  4. Step 4: Simplify right side
    7,031.00x = 39,268,985.92
  5. Step 5: Solve for x
    x = 39,268,985.92/7,031.00
  6. Step 6: Final answer
    x = 5,585.12

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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.