Home / 5,810.88-8,018.96-3,158.36

Finding the Fourth Proportional to 5,810.88, 8,018.96 and 3,158.36

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Solution

The fourth proportional to 5,810.88, 8,018.96 and 3,158.36 is: 4,358.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.88 : 8,018.96 = 3,158.36 : x
  2. Step 2: Convert to fraction form
    5,810.88/8,018.96 = 3,158.36/x
  3. Step 3: Cross multiply
    5,810.88x = 8,018.96 × 3,158.36
  4. Step 4: Simplify right side
    5,810.88x = 25,326,762.51
  5. Step 5: Solve for x
    x = 25,326,762.51/5,810.88
  6. Step 6: Final answer
    x = 4,358.51

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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.