Home / 2,929.12-4,042.32-1,751.44

Finding the Fourth Proportional to 2,929.12, 4,042.32 and 1,751.44

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Solution

The fourth proportional to 2,929.12, 4,042.32 and 1,751.44 is: 2,417.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.12 : 4,042.32 = 1,751.44 : x
  2. Step 2: Convert to fraction form
    2,929.12/4,042.32 = 1,751.44/x
  3. Step 3: Cross multiply
    2,929.12x = 4,042.32 × 1,751.44
  4. Step 4: Simplify right side
    2,929.12x = 7,079,880.94
  5. Step 5: Solve for x
    x = 7,079,880.94/2,929.12
  6. Step 6: Final answer
    x = 2,417.07

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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.