Home / 1,943.37-2,681.85-1,197.14

Finding the Fourth Proportional to 1,943.37, 2,681.85 and 1,197.14

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Solution

The fourth proportional to 1,943.37, 2,681.85 and 1,197.14 is: 1,652.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.37 : 2,681.85 = 1,197.14 : x
  2. Step 2: Convert to fraction form
    1,943.37/2,681.85 = 1,197.14/x
  3. Step 3: Cross multiply
    1,943.37x = 2,681.85 × 1,197.14
  4. Step 4: Simplify right side
    1,943.37x = 3,210,536.50
  5. Step 5: Solve for x
    x = 3,210,536.50/1,943.37
  6. Step 6: Final answer
    x = 1,652.05

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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.