Home / 1,925.38-2,656.20-1,262.08

Finding the Fourth Proportional to 1,925.38, 2,656.20 and 1,262.08

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Solution

The fourth proportional to 1,925.38, 2,656.20 and 1,262.08 is: 1,741.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.38 : 2,656.20 = 1,262.08 : x
  2. Step 2: Convert to fraction form
    1,925.38/2,656.20 = 1,262.08/x
  3. Step 3: Cross multiply
    1,925.38x = 2,656.20 × 1,262.08
  4. Step 4: Simplify right side
    1,925.38x = 3,352,336.90
  5. Step 5: Solve for x
    x = 3,352,336.90/1,925.38
  6. Step 6: Final answer
    x = 1,741.13

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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.