Home / 2,609.06-3,600.51-1,430.13

Finding the Fourth Proportional to 2,609.06, 3,600.51 and 1,430.13

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Solution

The fourth proportional to 2,609.06, 3,600.51 and 1,430.13 is: 1,973.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,609.06 : 3,600.51 = 1,430.13 : x
  2. Step 2: Convert to fraction form
    2,609.06/3,600.51 = 1,430.13/x
  3. Step 3: Cross multiply
    2,609.06x = 3,600.51 × 1,430.13
  4. Step 4: Simplify right side
    2,609.06x = 5,149,193.79
  5. Step 5: Solve for x
    x = 5,149,193.79/2,609.06
  6. Step 6: Final answer
    x = 1,973.58

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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.