Home / 3,070.55-4,237.36-1,673.30

Finding the Fourth Proportional to 3,070.55, 4,237.36 and 1,673.30

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Solution

The fourth proportional to 3,070.55, 4,237.36 and 1,673.30 is: 2,309.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.55 : 4,237.36 = 1,673.30 : x
  2. Step 2: Convert to fraction form
    3,070.55/4,237.36 = 1,673.30/x
  3. Step 3: Cross multiply
    3,070.55x = 4,237.36 × 1,673.30
  4. Step 4: Simplify right side
    3,070.55x = 7,090,366.12
  5. Step 5: Solve for x
    x = 7,090,366.12/3,070.55
  6. Step 6: Final answer
    x = 2,309.15

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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.