Home / 3,023.57-4,176.05-2,420.01

Finding the Fourth Proportional to 3,023.57, 4,176.05 and 2,420.01

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Solution

The fourth proportional to 3,023.57, 4,176.05 and 2,420.01 is: 3,342.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.57 : 4,176.05 = 2,420.01 : x
  2. Step 2: Convert to fraction form
    3,023.57/4,176.05 = 2,420.01/x
  3. Step 3: Cross multiply
    3,023.57x = 4,176.05 × 2,420.01
  4. Step 4: Simplify right side
    3,023.57x = 10,106,070.66
  5. Step 5: Solve for x
    x = 10,106,070.66/3,023.57
  6. Step 6: Final answer
    x = 3,342.44

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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.