Home / 2,917.10-4,025.57-1,590.77

Finding the Fourth Proportional to 2,917.10, 4,025.57 and 1,590.77

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Solution

The fourth proportional to 2,917.10, 4,025.57 and 1,590.77 is: 2,195.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.10 : 4,025.57 = 1,590.77 : x
  2. Step 2: Convert to fraction form
    2,917.10/4,025.57 = 1,590.77/x
  3. Step 3: Cross multiply
    2,917.10x = 4,025.57 × 1,590.77
  4. Step 4: Simplify right side
    2,917.10x = 6,403,758.10
  5. Step 5: Solve for x
    x = 6,403,758.10/2,917.10
  6. Step 6: Final answer
    x = 2,195.25

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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.