Home / 1,932.47-2,666.74-1,176.95

Finding the Fourth Proportional to 1,932.47, 2,666.74 and 1,176.95

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Solution

The fourth proportional to 1,932.47, 2,666.74 and 1,176.95 is: 1,624.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.47 : 2,666.74 = 1,176.95 : x
  2. Step 2: Convert to fraction form
    1,932.47/2,666.74 = 1,176.95/x
  3. Step 3: Cross multiply
    1,932.47x = 2,666.74 × 1,176.95
  4. Step 4: Simplify right side
    1,932.47x = 3,138,610.57
  5. Step 5: Solve for x
    x = 3,138,610.57/1,932.47
  6. Step 6: Final answer
    x = 1,624.14

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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.