Home / 3,575.24-4,930.88-2,454.40

Finding the Fourth Proportional to 3,575.24, 4,930.88 and 2,454.40

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Solution

The fourth proportional to 3,575.24, 4,930.88 and 2,454.40 is: 3,385.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575.24 : 4,930.88 = 2,454.40 : x
  2. Step 2: Convert to fraction form
    3,575.24/4,930.88 = 2,454.40/x
  3. Step 3: Cross multiply
    3,575.24x = 4,930.88 × 2,454.40
  4. Step 4: Simplify right side
    3,575.24x = 12,102,345.76
  5. Step 5: Solve for x
    x = 12,102,345.76/3,575.24
  6. Step 6: Final answer
    x = 3,385.05

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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.