Home / 1,648.26-2,460.65-1,590.58

Finding the Fourth Proportional to 1,648.26, 2,460.65 and 1,590.58

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Solution

The fourth proportional to 1,648.26, 2,460.65 and 1,590.58 is: 2,374.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648.26 : 2,460.65 = 1,590.58 : x
  2. Step 2: Convert to fraction form
    1,648.26/2,460.65 = 1,590.58/x
  3. Step 3: Cross multiply
    1,648.26x = 2,460.65 × 1,590.58
  4. Step 4: Simplify right side
    1,648.26x = 3,913,860.68
  5. Step 5: Solve for x
    x = 3,913,860.68/1,648.26
  6. Step 6: Final answer
    x = 2,374.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.