Home / 2,917.03-4,025.45-1,590.71

Finding the Fourth Proportional to 2,917.03, 4,025.45 and 1,590.71

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Solution

The fourth proportional to 2,917.03, 4,025.45 and 1,590.71 is: 2,195.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.03 : 4,025.45 = 1,590.71 : x
  2. Step 2: Convert to fraction form
    2,917.03/4,025.45 = 1,590.71/x
  3. Step 3: Cross multiply
    2,917.03x = 4,025.45 × 1,590.71
  4. Step 4: Simplify right side
    2,917.03x = 6,403,317.48
  5. Step 5: Solve for x
    x = 6,403,317.48/2,917.03
  6. Step 6: Final answer
    x = 2,195.15

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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.