Home / 2,347.99-3,239.68-1,404.08

Finding the Fourth Proportional to 2,347.99, 3,239.68 and 1,404.08

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Solution

The fourth proportional to 2,347.99, 3,239.68 and 1,404.08 is: 1,937.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.99 : 3,239.68 = 1,404.08 : x
  2. Step 2: Convert to fraction form
    2,347.99/3,239.68 = 1,404.08/x
  3. Step 3: Cross multiply
    2,347.99x = 3,239.68 × 1,404.08
  4. Step 4: Simplify right side
    2,347.99x = 4,548,783.19
  5. Step 5: Solve for x
    x = 4,548,783.19/2,347.99
  6. Step 6: Final answer
    x = 1,937.31

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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.