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Finding the Fourth Proportional to 1,937.84, 2,674.08 and 1,152.32

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Solution

The fourth proportional to 1,937.84, 2,674.08 and 1,152.32 is: 1,590.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.84 : 2,674.08 = 1,152.32 : x
  2. Step 2: Convert to fraction form
    1,937.84/2,674.08 = 1,152.32/x
  3. Step 3: Cross multiply
    1,937.84x = 2,674.08 × 1,152.32
  4. Step 4: Simplify right side
    1,937.84x = 3,081,395.87
  5. Step 5: Solve for x
    x = 3,081,395.87/1,937.84
  6. Step 6: Final answer
    x = 1,590.12

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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.