Home / 3,070.63-4,237.49-1,673.38

Finding the Fourth Proportional to 3,070.63, 4,237.49 and 1,673.38

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Solution

The fourth proportional to 3,070.63, 4,237.49 and 1,673.38 is: 2,309.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.63 : 4,237.49 = 1,673.38 : x
  2. Step 2: Convert to fraction form
    3,070.63/4,237.49 = 1,673.38/x
  3. Step 3: Cross multiply
    3,070.63x = 4,237.49 × 1,673.38
  4. Step 4: Simplify right side
    3,070.63x = 7,090,931.02
  5. Step 5: Solve for x
    x = 7,090,931.02/3,070.63
  6. Step 6: Final answer
    x = 2,309.28

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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.