Home / 3,101.42-4,280.17-1,757.01

Finding the Fourth Proportional to 3,101.42, 4,280.17 and 1,757.01

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Solution

The fourth proportional to 3,101.42, 4,280.17 and 1,757.01 is: 2,424.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.42 : 4,280.17 = 1,757.01 : x
  2. Step 2: Convert to fraction form
    3,101.42/4,280.17 = 1,757.01/x
  3. Step 3: Cross multiply
    3,101.42x = 4,280.17 × 1,757.01
  4. Step 4: Simplify right side
    3,101.42x = 7,520,312.19
  5. Step 5: Solve for x
    x = 7,520,312.19/3,101.42
  6. Step 6: Final answer
    x = 2,424.80

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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.