Home / 5,538.16-8,308.20-1,840

Finding the Fourth Proportional to 5,538.16, 8,308.20 and 1,840

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Solution

The fourth proportional to 5,538.16, 8,308.20 and 1,840 is: 2,760.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.16 : 8,308.20 = 1,840 : x
  2. Step 2: Convert to fraction form
    5,538.16/8,308.20 = 1,840/x
  3. Step 3: Cross multiply
    5,538.16x = 8,308.20 × 1,840
  4. Step 4: Simplify right side
    5,538.16x = 15,287,088.00
  5. Step 5: Solve for x
    x = 15,287,088.00/5,538.16
  6. Step 6: Final answer
    x = 2,760.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.