Home / 1,859.08-2,565.48-1,113.48

Finding the Fourth Proportional to 1,859.08, 2,565.48 and 1,113.48

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Solution

The fourth proportional to 1,859.08, 2,565.48 and 1,113.48 is: 1,536.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.08 : 2,565.48 = 1,113.48 : x
  2. Step 2: Convert to fraction form
    1,859.08/2,565.48 = 1,113.48/x
  3. Step 3: Cross multiply
    1,859.08x = 2,565.48 × 1,113.48
  4. Step 4: Simplify right side
    1,859.08x = 2,856,610.67
  5. Step 5: Solve for x
    x = 2,856,610.67/1,859.08
  6. Step 6: Final answer
    x = 1,536.57

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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.