Home / 1,822.86-2,720.06-1,626.51

Finding the Fourth Proportional to 1,822.86, 2,720.06 and 1,626.51

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Solution

The fourth proportional to 1,822.86, 2,720.06 and 1,626.51 is: 2,427.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.86 : 2,720.06 = 1,626.51 : x
  2. Step 2: Convert to fraction form
    1,822.86/2,720.06 = 1,626.51/x
  3. Step 3: Cross multiply
    1,822.86x = 2,720.06 × 1,626.51
  4. Step 4: Simplify right side
    1,822.86x = 4,424,206.81
  5. Step 5: Solve for x
    x = 4,424,206.81/1,822.86
  6. Step 6: Final answer
    x = 2,427.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.