Home / 3,180.16-4,386.17-2,432.26

Finding the Fourth Proportional to 3,180.16, 4,386.17 and 2,432.26

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Solution

The fourth proportional to 3,180.16, 4,386.17 and 2,432.26 is: 3,354.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.16 : 4,386.17 = 2,432.26 : x
  2. Step 2: Convert to fraction form
    3,180.16/4,386.17 = 2,432.26/x
  3. Step 3: Cross multiply
    3,180.16x = 4,386.17 × 2,432.26
  4. Step 4: Simplify right side
    3,180.16x = 10,668,271.75
  5. Step 5: Solve for x
    x = 10,668,271.75/3,180.16
  6. Step 6: Final answer
    x = 3,354.64

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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.