Home / 2,929.14-4,042.17-1,602.81

Finding the Fourth Proportional to 2,929.14, 4,042.17 and 1,602.81

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Solution

The fourth proportional to 2,929.14, 4,042.17 and 1,602.81 is: 2,211.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.14 : 4,042.17 = 1,602.81 : x
  2. Step 2: Convert to fraction form
    2,929.14/4,042.17 = 1,602.81/x
  3. Step 3: Cross multiply
    2,929.14x = 4,042.17 × 1,602.81
  4. Step 4: Simplify right side
    2,929.14x = 6,478,830.50
  5. Step 5: Solve for x
    x = 6,478,830.50/2,929.14
  6. Step 6: Final answer
    x = 2,211.85

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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.