Home / 1,883.95-2,812.40-1,637.91

Finding the Fourth Proportional to 1,883.95, 2,812.40 and 1,637.91

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Solution

The fourth proportional to 1,883.95, 2,812.40 and 1,637.91 is: 2,445.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.95 : 2,812.40 = 1,637.91 : x
  2. Step 2: Convert to fraction form
    1,883.95/2,812.40 = 1,637.91/x
  3. Step 3: Cross multiply
    1,883.95x = 2,812.40 × 1,637.91
  4. Step 4: Simplify right side
    1,883.95x = 4,606,458.08
  5. Step 5: Solve for x
    x = 4,606,458.08/1,883.95
  6. Step 6: Final answer
    x = 2,445.11

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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.