Home / 7,062.84-9,746.28-3,918.96

Finding the Fourth Proportional to 7,062.84, 9,746.28 and 3,918.96

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Solution

The fourth proportional to 7,062.84, 9,746.28 and 3,918.96 is: 5,407.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,062.84 : 9,746.28 = 3,918.96 : x
  2. Step 2: Convert to fraction form
    7,062.84/9,746.28 = 3,918.96/x
  3. Step 3: Cross multiply
    7,062.84x = 9,746.28 × 3,918.96
  4. Step 4: Simplify right side
    7,062.84x = 38,195,281.47
  5. Step 5: Solve for x
    x = 38,195,281.47/7,062.84
  6. Step 6: Final answer
    x = 5,407.92

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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.