Home / 7,372.22-10,173.80-5,780.77

Finding the Fourth Proportional to 7,372.22, 10,173.80 and 5,780.77

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Solution

The fourth proportional to 7,372.22, 10,173.80 and 5,780.77 is: 7,977.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.22 : 10,173.80 = 5,780.77 : x
  2. Step 2: Convert to fraction form
    7,372.22/10,173.80 = 5,780.77/x
  3. Step 3: Cross multiply
    7,372.22x = 10,173.80 × 5,780.77
  4. Step 4: Simplify right side
    7,372.22x = 58,812,386.84
  5. Step 5: Solve for x
    x = 58,812,386.84/7,372.22
  6. Step 6: Final answer
    x = 7,977.57

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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.