Home / 7,062.59-9,746.43-3,918.98

Finding the Fourth Proportional to 7,062.59, 9,746.43 and 3,918.98

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Solution

The fourth proportional to 7,062.59, 9,746.43 and 3,918.98 is: 5,408.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,062.59 : 9,746.43 = 3,918.98 : x
  2. Step 2: Convert to fraction form
    7,062.59/9,746.43 = 3,918.98/x
  3. Step 3: Cross multiply
    7,062.59x = 9,746.43 × 3,918.98
  4. Step 4: Simplify right side
    7,062.59x = 38,196,073.91
  5. Step 5: Solve for x
    x = 38,196,073.91/7,062.59
  6. Step 6: Final answer
    x = 5,408.22

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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.