Home / 1,859.58-2,566.05-1,113.53

Finding the Fourth Proportional to 1,859.58, 2,566.05 and 1,113.53

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Solution

The fourth proportional to 1,859.58, 2,566.05 and 1,113.53 is: 1,536.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.58 : 2,566.05 = 1,113.53 : x
  2. Step 2: Convert to fraction form
    1,859.58/2,566.05 = 1,113.53/x
  3. Step 3: Cross multiply
    1,859.58x = 2,566.05 × 1,113.53
  4. Step 4: Simplify right side
    1,859.58x = 2,857,356.65
  5. Step 5: Solve for x
    x = 2,857,356.65/1,859.58
  6. Step 6: Final answer
    x = 1,536.56

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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.