Home / 7,031.25-9,703.14-4,237.29

Finding the Fourth Proportional to 7,031.25, 9,703.14 and 4,237.29

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Solution

The fourth proportional to 7,031.25, 9,703.14 and 4,237.29 is: 5,847.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.25 : 9,703.14 = 4,237.29 : x
  2. Step 2: Convert to fraction form
    7,031.25/9,703.14 = 4,237.29/x
  3. Step 3: Cross multiply
    7,031.25x = 9,703.14 × 4,237.29
  4. Step 4: Simplify right side
    7,031.25x = 41,115,018.09
  5. Step 5: Solve for x
    x = 41,115,018.09/7,031.25
  6. Step 6: Final answer
    x = 5,847.47

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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.