Home / 3,070.86-4,237.59-1,744.55

Finding the Fourth Proportional to 3,070.86, 4,237.59 and 1,744.55

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Solution

The fourth proportional to 3,070.86, 4,237.59 and 1,744.55 is: 2,407.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.86 : 4,237.59 = 1,744.55 : x
  2. Step 2: Convert to fraction form
    3,070.86/4,237.59 = 1,744.55/x
  3. Step 3: Cross multiply
    3,070.86x = 4,237.59 × 1,744.55
  4. Step 4: Simplify right side
    3,070.86x = 7,392,679.07
  5. Step 5: Solve for x
    x = 7,392,679.07/3,070.86
  6. Step 6: Final answer
    x = 2,407.37

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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.