Home / 2,359.53-3,256.19-1,311.59

Finding the Fourth Proportional to 2,359.53, 3,256.19 and 1,311.59

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Solution

The fourth proportional to 2,359.53, 3,256.19 and 1,311.59 is: 1,810.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,359.53 : 3,256.19 = 1,311.59 : x
  2. Step 2: Convert to fraction form
    2,359.53/3,256.19 = 1,311.59/x
  3. Step 3: Cross multiply
    2,359.53x = 3,256.19 × 1,311.59
  4. Step 4: Simplify right side
    2,359.53x = 4,270,763.40
  5. Step 5: Solve for x
    x = 4,270,763.40/2,359.53
  6. Step 6: Final answer
    x = 1,810.01

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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.