Home / 5,681.54-7,840.53-3,324.13

Finding the Fourth Proportional to 5,681.54, 7,840.53 and 3,324.13

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Solution

The fourth proportional to 5,681.54, 7,840.53 and 3,324.13 is: 4,587.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681.54 : 7,840.53 = 3,324.13 : x
  2. Step 2: Convert to fraction form
    5,681.54/7,840.53 = 3,324.13/x
  3. Step 3: Cross multiply
    5,681.54x = 7,840.53 × 3,324.13
  4. Step 4: Simplify right side
    5,681.54x = 26,062,921.39
  5. Step 5: Solve for x
    x = 26,062,921.39/5,681.54
  6. Step 6: Final answer
    x = 4,587.30

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Half scale
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Double scale
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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.