Home / 4,781.24-7,166.34-1,857.07

Finding the Fourth Proportional to 4,781.24, 7,166.34 and 1,857.07

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Solution

The fourth proportional to 4,781.24, 7,166.34 and 1,857.07 is: 2,783.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.24 : 7,166.34 = 1,857.07 : x
  2. Step 2: Convert to fraction form
    4,781.24/7,166.34 = 1,857.07/x
  3. Step 3: Cross multiply
    4,781.24x = 7,166.34 × 1,857.07
  4. Step 4: Simplify right side
    4,781.24x = 13,308,395.02
  5. Step 5: Solve for x
    x = 13,308,395.02/4,781.24
  6. Step 6: Final answer
    x = 2,783.46

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1.5x scale

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.