Home / 7,062.42-9,746.01-3,918.54

Finding the Fourth Proportional to 7,062.42, 9,746.01 and 3,918.54

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Solution

The fourth proportional to 7,062.42, 9,746.01 and 3,918.54 is: 5,407.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,062.42 : 9,746.01 = 3,918.54 : x
  2. Step 2: Convert to fraction form
    7,062.42/9,746.01 = 3,918.54/x
  3. Step 3: Cross multiply
    7,062.42x = 9,746.01 × 3,918.54
  4. Step 4: Simplify right side
    7,062.42x = 38,190,130.03
  5. Step 5: Solve for x
    x = 38,190,130.03/7,062.42
  6. Step 6: Final answer
    x = 5,407.51

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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.