Home / 5,681.13-7,840.08-3,324.63

Finding the Fourth Proportional to 5,681.13, 7,840.08 and 3,324.63

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Solution

The fourth proportional to 5,681.13, 7,840.08 and 3,324.63 is: 4,588.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681.13 : 7,840.08 = 3,324.63 : x
  2. Step 2: Convert to fraction form
    5,681.13/7,840.08 = 3,324.63/x
  3. Step 3: Cross multiply
    5,681.13x = 7,840.08 × 3,324.63
  4. Step 4: Simplify right side
    5,681.13x = 26,065,365.17
  5. Step 5: Solve for x
    x = 26,065,365.17/5,681.13
  6. Step 6: Final answer
    x = 4,588.06

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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.