Home / 6,925.90-10,387.54-1,860.16

Finding the Fourth Proportional to 6,925.90, 10,387.54 and 1,860.16

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Solution

The fourth proportional to 6,925.90, 10,387.54 and 1,860.16 is: 2,789.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,925.90 : 10,387.54 = 1,860.16 : x
  2. Step 2: Convert to fraction form
    6,925.90/10,387.54 = 1,860.16/x
  3. Step 3: Cross multiply
    6,925.90x = 10,387.54 × 1,860.16
  4. Step 4: Simplify right side
    6,925.90x = 19,322,486.41
  5. Step 5: Solve for x
    x = 19,322,486.41/6,925.90
  6. Step 6: Final answer
    x = 2,789.89

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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.