Home / 2,930.02-4,044.75-1,869.22

Finding the Fourth Proportional to 2,930.02, 4,044.75 and 1,869.22

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Solution

The fourth proportional to 2,930.02, 4,044.75 and 1,869.22 is: 2,580.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.02 : 4,044.75 = 1,869.22 : x
  2. Step 2: Convert to fraction form
    2,930.02/4,044.75 = 1,869.22/x
  3. Step 3: Cross multiply
    2,930.02x = 4,044.75 × 1,869.22
  4. Step 4: Simplify right side
    2,930.02x = 7,560,498.03
  5. Step 5: Solve for x
    x = 7,560,498.03/2,930.02
  6. Step 6: Final answer
    x = 2,580.36

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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.