Home / 1,857.19-2,562.60-1,193.92

Finding the Fourth Proportional to 1,857.19, 2,562.60 and 1,193.92

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Solution

The fourth proportional to 1,857.19, 2,562.60 and 1,193.92 is: 1,647.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857.19 : 2,562.60 = 1,193.92 : x
  2. Step 2: Convert to fraction form
    1,857.19/2,562.60 = 1,193.92/x
  3. Step 3: Cross multiply
    1,857.19x = 2,562.60 × 1,193.92
  4. Step 4: Simplify right side
    1,857.19x = 3,059,539.39
  5. Step 5: Solve for x
    x = 3,059,539.39/1,857.19
  6. Step 6: Final answer
    x = 1,647.40

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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.