Home / 3,020.01-4,166.53-2,390.64

Finding the Fourth Proportional to 3,020.01, 4,166.53 and 2,390.64

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Solution

The fourth proportional to 3,020.01, 4,166.53 and 2,390.64 is: 3,298.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.01 : 4,166.53 = 2,390.64 : x
  2. Step 2: Convert to fraction form
    3,020.01/4,166.53 = 2,390.64/x
  3. Step 3: Cross multiply
    3,020.01x = 4,166.53 × 2,390.64
  4. Step 4: Simplify right side
    3,020.01x = 9,960,673.28
  5. Step 5: Solve for x
    x = 9,960,673.28/3,020.01
  6. Step 6: Final answer
    x = 3,298.23

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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.