Home / 2,141.67-2,955.36-1,197.54

Finding the Fourth Proportional to 2,141.67, 2,955.36 and 1,197.54

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Solution

The fourth proportional to 2,141.67, 2,955.36 and 1,197.54 is: 1,652.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141.67 : 2,955.36 = 1,197.54 : x
  2. Step 2: Convert to fraction form
    2,141.67/2,955.36 = 1,197.54/x
  3. Step 3: Cross multiply
    2,141.67x = 2,955.36 × 1,197.54
  4. Step 4: Simplify right side
    2,141.67x = 3,539,156.34
  5. Step 5: Solve for x
    x = 3,539,156.34/2,141.67
  6. Step 6: Final answer
    x = 1,652.52

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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.