Home / 2,872.61-3,966.54-2,341.57

Finding the Fourth Proportional to 2,872.61, 3,966.54 and 2,341.57

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Solution

The fourth proportional to 2,872.61, 3,966.54 and 2,341.57 is: 3,233.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872.61 : 3,966.54 = 2,341.57 : x
  2. Step 2: Convert to fraction form
    2,872.61/3,966.54 = 2,341.57/x
  3. Step 3: Cross multiply
    2,872.61x = 3,966.54 × 2,341.57
  4. Step 4: Simplify right side
    2,872.61x = 9,287,931.07
  5. Step 5: Solve for x
    x = 9,287,931.07/2,872.61
  6. Step 6: Final answer
    x = 3,233.27

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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.