Home / 1,824.60-2,519.34-1,404.30

Finding the Fourth Proportional to 1,824.60, 2,519.34 and 1,404.30

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Solution

The fourth proportional to 1,824.60, 2,519.34 and 1,404.30 is: 1,939.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.60 : 2,519.34 = 1,404.30 : x
  2. Step 2: Convert to fraction form
    1,824.60/2,519.34 = 1,404.30/x
  3. Step 3: Cross multiply
    1,824.60x = 2,519.34 × 1,404.30
  4. Step 4: Simplify right side
    1,824.60x = 3,537,909.16
  5. Step 5: Solve for x
    x = 3,537,909.16/1,824.60
  6. Step 6: Final answer
    x = 1,939.01

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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.