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Finding the Fourth Proportional to 2,655.75, 3,664.94 and 1,477.10

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Solution

The fourth proportional to 2,655.75, 3,664.94 and 1,477.10 is: 2,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655.75 : 3,664.94 = 1,477.10 : x
  2. Step 2: Convert to fraction form
    2,655.75/3,664.94 = 1,477.10/x
  3. Step 3: Cross multiply
    2,655.75x = 3,664.94 × 1,477.10
  4. Step 4: Simplify right side
    2,655.75x = 5,413,482.87
  5. Step 5: Solve for x
    x = 5,413,482.87/2,655.75
  6. Step 6: Final answer
    x = 2,038.40

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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.