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Finding the Fourth Proportional to 2,392.61, 3,588.23 and 1,075.61

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Solution

The fourth proportional to 2,392.61, 3,588.23 and 1,075.61 is: 1,613.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392.61 : 3,588.23 = 1,075.61 : x
  2. Step 2: Convert to fraction form
    2,392.61/3,588.23 = 1,075.61/x
  3. Step 3: Cross multiply
    2,392.61x = 3,588.23 × 1,075.61
  4. Step 4: Simplify right side
    2,392.61x = 3,859,547.73
  5. Step 5: Solve for x
    x = 3,859,547.73/2,392.61
  6. Step 6: Final answer
    x = 1,613.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.