Home / 4,038.09-5,571.12-2,358.90

Finding the Fourth Proportional to 4,038.09, 5,571.12 and 2,358.90

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Solution

The fourth proportional to 4,038.09, 5,571.12 and 2,358.90 is: 3,254.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,038.09 : 5,571.12 = 2,358.90 : x
  2. Step 2: Convert to fraction form
    4,038.09/5,571.12 = 2,358.90/x
  3. Step 3: Cross multiply
    4,038.09x = 5,571.12 × 2,358.90
  4. Step 4: Simplify right side
    4,038.09x = 13,141,714.97
  5. Step 5: Solve for x
    x = 13,141,714.97/4,038.09
  6. Step 6: Final answer
    x = 3,254.44

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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.