Home / 3,001.76-4,142.28-1,675.58

Finding the Fourth Proportional to 3,001.76, 4,142.28 and 1,675.58

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Solution

The fourth proportional to 3,001.76, 4,142.28 and 1,675.58 is: 2,312.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.76 : 4,142.28 = 1,675.58 : x
  2. Step 2: Convert to fraction form
    3,001.76/4,142.28 = 1,675.58/x
  3. Step 3: Cross multiply
    3,001.76x = 4,142.28 × 1,675.58
  4. Step 4: Simplify right side
    3,001.76x = 6,940,721.52
  5. Step 5: Solve for x
    x = 6,940,721.52/3,001.76
  6. Step 6: Final answer
    x = 2,312.22

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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.