Home / 2,281.29-3,420.36-1,167.98

Finding the Fourth Proportional to 2,281.29, 3,420.36 and 1,167.98

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Solution

The fourth proportional to 2,281.29, 3,420.36 and 1,167.98 is: 1,751.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.29 : 3,420.36 = 1,167.98 : x
  2. Step 2: Convert to fraction form
    2,281.29/3,420.36 = 1,167.98/x
  3. Step 3: Cross multiply
    2,281.29x = 3,420.36 × 1,167.98
  4. Step 4: Simplify right side
    2,281.29x = 3,994,894.97
  5. Step 5: Solve for x
    x = 3,994,894.97/2,281.29
  6. Step 6: Final answer
    x = 1,751.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.