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Finding the Fourth Proportional to 2,607.84, 3,599.13 and 1,488.94

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Solution

The fourth proportional to 2,607.84, 3,599.13 and 1,488.94 is: 2,054.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607.84 : 3,599.13 = 1,488.94 : x
  2. Step 2: Convert to fraction form
    2,607.84/3,599.13 = 1,488.94/x
  3. Step 3: Cross multiply
    2,607.84x = 3,599.13 × 1,488.94
  4. Step 4: Simplify right side
    2,607.84x = 5,358,890.18
  5. Step 5: Solve for x
    x = 5,358,890.18/2,607.84
  6. Step 6: Final answer
    x = 2,054.91

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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.