Home / 2,455.18-3,683.20-1,140.26

Finding the Fourth Proportional to 2,455.18, 3,683.20 and 1,140.26

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Solution

The fourth proportional to 2,455.18, 3,683.20 and 1,140.26 is: 1,710.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.18 : 3,683.20 = 1,140.26 : x
  2. Step 2: Convert to fraction form
    2,455.18/3,683.20 = 1,140.26/x
  3. Step 3: Cross multiply
    2,455.18x = 3,683.20 × 1,140.26
  4. Step 4: Simplify right side
    2,455.18x = 4,199,805.63
  5. Step 5: Solve for x
    x = 4,199,805.63/2,455.18
  6. Step 6: Final answer
    x = 1,710.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.