Home / 2,076.17-2,864.98-1,191.35

Finding the Fourth Proportional to 2,076.17, 2,864.98 and 1,191.35

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Solution

The fourth proportional to 2,076.17, 2,864.98 and 1,191.35 is: 1,643.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.17 : 2,864.98 = 1,191.35 : x
  2. Step 2: Convert to fraction form
    2,076.17/2,864.98 = 1,191.35/x
  3. Step 3: Cross multiply
    2,076.17x = 2,864.98 × 1,191.35
  4. Step 4: Simplify right side
    2,076.17x = 3,413,176.62
  5. Step 5: Solve for x
    x = 3,413,176.62/2,076.17
  6. Step 6: Final answer
    x = 1,643.98

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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.