Home / 1,876.51-2,589.59-1,130.50

Finding the Fourth Proportional to 1,876.51, 2,589.59 and 1,130.50

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Solution

The fourth proportional to 1,876.51, 2,589.59 and 1,130.50 is: 1,560.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.51 : 2,589.59 = 1,130.50 : x
  2. Step 2: Convert to fraction form
    1,876.51/2,589.59 = 1,130.50/x
  3. Step 3: Cross multiply
    1,876.51x = 2,589.59 × 1,130.50
  4. Step 4: Simplify right side
    1,876.51x = 2,927,525.84
  5. Step 5: Solve for x
    x = 2,927,525.84/1,876.51
  6. Step 6: Final answer
    x = 1,560.09

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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.