Home / 5,176.90-7,765.80-1,667.26

Finding the Fourth Proportional to 5,176.90, 7,765.80 and 1,667.26

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Solution

The fourth proportional to 5,176.90, 7,765.80 and 1,667.26 is: 2,501.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.90 : 7,765.80 = 1,667.26 : x
  2. Step 2: Convert to fraction form
    5,176.90/7,765.80 = 1,667.26/x
  3. Step 3: Cross multiply
    5,176.90x = 7,765.80 × 1,667.26
  4. Step 4: Simplify right side
    5,176.90x = 12,947,607.71
  5. Step 5: Solve for x
    x = 12,947,607.71/5,176.90
  6. Step 6: Final answer
    x = 2,501.03

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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.