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Finding the Fourth Proportional to 2,594.84, 3,580.91 and 1,415.90

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Solution

The fourth proportional to 2,594.84, 3,580.91 and 1,415.90 is: 1,953.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,594.84 : 3,580.91 = 1,415.90 : x
  2. Step 2: Convert to fraction form
    2,594.84/3,580.91 = 1,415.90/x
  3. Step 3: Cross multiply
    2,594.84x = 3,580.91 × 1,415.90
  4. Step 4: Simplify right side
    2,594.84x = 5,070,197.51
  5. Step 5: Solve for x
    x = 5,070,197.51/2,594.84
  6. Step 6: Final answer
    x = 1,953.96

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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.