Home / 2,385.51-3,291.75-1,337.37

Finding the Fourth Proportional to 2,385.51, 3,291.75 and 1,337.37

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Solution

The fourth proportional to 2,385.51, 3,291.75 and 1,337.37 is: 1,845.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.51 : 3,291.75 = 1,337.37 : x
  2. Step 2: Convert to fraction form
    2,385.51/3,291.75 = 1,337.37/x
  3. Step 3: Cross multiply
    2,385.51x = 3,291.75 × 1,337.37
  4. Step 4: Simplify right side
    2,385.51x = 4,402,287.70
  5. Step 5: Solve for x
    x = 4,402,287.70/2,385.51
  6. Step 6: Final answer
    x = 1,845.43

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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.