Home / 2,925.90-4,031.10-2,260.44

Finding the Fourth Proportional to 2,925.90, 4,031.10 and 2,260.44

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Solution

The fourth proportional to 2,925.90, 4,031.10 and 2,260.44 is: 3,114.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.90 : 4,031.10 = 2,260.44 : x
  2. Step 2: Convert to fraction form
    2,925.90/4,031.10 = 2,260.44/x
  3. Step 3: Cross multiply
    2,925.90x = 4,031.10 × 2,260.44
  4. Step 4: Simplify right side
    2,925.90x = 9,112,059.68
  5. Step 5: Solve for x
    x = 9,112,059.68/2,925.90
  6. Step 6: Final answer
    x = 3,114.28

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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.