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Finding the Fourth Proportional to 2,374.75, 3,277.16 and 1,590.67

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Solution

The fourth proportional to 2,374.75, 3,277.16 and 1,590.67 is: 2,195.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,374.75 : 3,277.16 = 1,590.67 : x
  2. Step 2: Convert to fraction form
    2,374.75/3,277.16 = 1,590.67/x
  3. Step 3: Cross multiply
    2,374.75x = 3,277.16 × 1,590.67
  4. Step 4: Simplify right side
    2,374.75x = 5,212,880.10
  5. Step 5: Solve for x
    x = 5,212,880.10/2,374.75
  6. Step 6: Final answer
    x = 2,195.13

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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.