Home / 5,810.48-8,018.14-3,157.87

Finding the Fourth Proportional to 5,810.48, 8,018.14 and 3,157.87

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Solution

The fourth proportional to 5,810.48, 8,018.14 and 3,157.87 is: 4,357.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.48 : 8,018.14 = 3,157.87 : x
  2. Step 2: Convert to fraction form
    5,810.48/8,018.14 = 3,157.87/x
  3. Step 3: Cross multiply
    5,810.48x = 8,018.14 × 3,157.87
  4. Step 4: Simplify right side
    5,810.48x = 25,320,243.76
  5. Step 5: Solve for x
    x = 25,320,243.76/5,810.48
  6. Step 6: Final answer
    x = 4,357.69

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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.