Home / 4,005.10-5,528.04-2,391.74

Finding the Fourth Proportional to 4,005.10, 5,528.04 and 2,391.74

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Solution

The fourth proportional to 4,005.10, 5,528.04 and 2,391.74 is: 3,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005.10 : 5,528.04 = 2,391.74 : x
  2. Step 2: Convert to fraction form
    4,005.10/5,528.04 = 2,391.74/x
  3. Step 3: Cross multiply
    4,005.10x = 5,528.04 × 2,391.74
  4. Step 4: Simplify right side
    4,005.10x = 13,221,634.39
  5. Step 5: Solve for x
    x = 13,221,634.39/4,005.10
  6. Step 6: Final answer
    x = 3,301.20

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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.