Home / 2,089.13-2,881.95-1,424.93

Finding the Fourth Proportional to 2,089.13, 2,881.95 and 1,424.93

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Solution

The fourth proportional to 2,089.13, 2,881.95 and 1,424.93 is: 1,965.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089.13 : 2,881.95 = 1,424.93 : x
  2. Step 2: Convert to fraction form
    2,089.13/2,881.95 = 1,424.93/x
  3. Step 3: Cross multiply
    2,089.13x = 2,881.95 × 1,424.93
  4. Step 4: Simplify right side
    2,089.13x = 4,106,562.60
  5. Step 5: Solve for x
    x = 4,106,562.60/2,089.13
  6. Step 6: Final answer
    x = 1,965.69

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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.