Home / 5,235.14-7,856.76-2,770.58

Finding the Fourth Proportional to 5,235.14, 7,856.76 and 2,770.58

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Solution

The fourth proportional to 5,235.14, 7,856.76 and 2,770.58 is: 4,158.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.14 : 7,856.76 = 2,770.58 : x
  2. Step 2: Convert to fraction form
    5,235.14/7,856.76 = 2,770.58/x
  3. Step 3: Cross multiply
    5,235.14x = 7,856.76 × 2,770.58
  4. Step 4: Simplify right side
    5,235.14x = 21,767,782.12
  5. Step 5: Solve for x
    x = 21,767,782.12/5,235.14
  6. Step 6: Final answer
    x = 4,158.01

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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.