Home / 4,858.90-7,286.55-1,572.10

Finding the Fourth Proportional to 4,858.90, 7,286.55 and 1,572.10

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Solution

The fourth proportional to 4,858.90, 7,286.55 and 1,572.10 is: 2,357.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,858.90 : 7,286.55 = 1,572.10 : x
  2. Step 2: Convert to fraction form
    4,858.90/7,286.55 = 1,572.10/x
  3. Step 3: Cross multiply
    4,858.90x = 7,286.55 × 1,572.10
  4. Step 4: Simplify right side
    4,858.90x = 11,455,185.26
  5. Step 5: Solve for x
    x = 11,455,185.26/4,858.90
  6. Step 6: Final answer
    x = 2,357.57

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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.