Home / 5,271.52-7,269.84-4,852.78

Finding the Fourth Proportional to 5,271.52, 7,269.84 and 4,852.78

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Solution

The fourth proportional to 5,271.52, 7,269.84 and 4,852.78 is: 6,692.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.52 : 7,269.84 = 4,852.78 : x
  2. Step 2: Convert to fraction form
    5,271.52/7,269.84 = 4,852.78/x
  3. Step 3: Cross multiply
    5,271.52x = 7,269.84 × 4,852.78
  4. Step 4: Simplify right side
    5,271.52x = 35,278,934.16
  5. Step 5: Solve for x
    x = 35,278,934.16/5,271.52
  6. Step 6: Final answer
    x = 6,692.36

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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.