Home / 5,269.52-7,271.51-2,911.66

Finding the Fourth Proportional to 5,269.52, 7,271.51 and 2,911.66

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Solution

The fourth proportional to 5,269.52, 7,271.51 and 2,911.66 is: 4,017.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.52 : 7,271.51 = 2,911.66 : x
  2. Step 2: Convert to fraction form
    5,269.52/7,271.51 = 2,911.66/x
  3. Step 3: Cross multiply
    5,269.52x = 7,271.51 × 2,911.66
  4. Step 4: Simplify right side
    5,269.52x = 21,172,132.07
  5. Step 5: Solve for x
    x = 21,172,132.07/5,269.52
  6. Step 6: Final answer
    x = 4,017.85

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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.