Home / 5,810.64-8,018.73-3,158.05

Finding the Fourth Proportional to 5,810.64, 8,018.73 and 3,158.05

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Solution

The fourth proportional to 5,810.64, 8,018.73 and 3,158.05 is: 4,358.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.64 : 8,018.73 = 3,158.05 : x
  2. Step 2: Convert to fraction form
    5,810.64/8,018.73 = 3,158.05/x
  3. Step 3: Cross multiply
    5,810.64x = 8,018.73 × 3,158.05
  4. Step 4: Simplify right side
    5,810.64x = 25,323,510.18
  5. Step 5: Solve for x
    x = 25,323,510.18/5,810.64
  6. Step 6: Final answer
    x = 4,358.13

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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.