Home / 1,859.44-2,565.06-1,113.04

Finding the Fourth Proportional to 1,859.44, 2,565.06 and 1,113.04

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Solution

The fourth proportional to 1,859.44, 2,565.06 and 1,113.04 is: 1,535.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.44 : 2,565.06 = 1,113.04 : x
  2. Step 2: Convert to fraction form
    1,859.44/2,565.06 = 1,113.04/x
  3. Step 3: Cross multiply
    1,859.44x = 2,565.06 × 1,113.04
  4. Step 4: Simplify right side
    1,859.44x = 2,855,014.38
  5. Step 5: Solve for x
    x = 2,855,014.38/1,859.44
  6. Step 6: Final answer
    x = 1,535.42

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Double scale
Find fourth proportional to 1,860.44, 2,566.44 and 1,114.04
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1.5x scale

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.