Home / 3,483.98-4,808.81-2,156.93

Finding the Fourth Proportional to 3,483.98, 4,808.81 and 2,156.93

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Solution

The fourth proportional to 3,483.98, 4,808.81 and 2,156.93 is: 2,977.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.98 : 4,808.81 = 2,156.93 : x
  2. Step 2: Convert to fraction form
    3,483.98/4,808.81 = 2,156.93/x
  3. Step 3: Cross multiply
    3,483.98x = 4,808.81 × 2,156.93
  4. Step 4: Simplify right side
    3,483.98x = 10,372,265.93
  5. Step 5: Solve for x
    x = 10,372,265.93/3,483.98
  6. Step 6: Final answer
    x = 2,977.13

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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.