Home / 3,070.71-4,237.56-1,673.46

Finding the Fourth Proportional to 3,070.71, 4,237.56 and 1,673.46

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Solution

The fourth proportional to 3,070.71, 4,237.56 and 1,673.46 is: 2,309.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.71 : 4,237.56 = 1,673.46 : x
  2. Step 2: Convert to fraction form
    3,070.71/4,237.56 = 1,673.46/x
  3. Step 3: Cross multiply
    3,070.71x = 4,237.56 × 1,673.46
  4. Step 4: Simplify right side
    3,070.71x = 7,091,387.16
  5. Step 5: Solve for x
    x = 7,091,387.16/3,070.71
  6. Step 6: Final answer
    x = 2,309.36

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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.