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Finding the Fourth Proportional to 4,703.40, 6,490.52 and 2,607.40

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Solution

The fourth proportional to 4,703.40, 6,490.52 and 2,607.40 is: 3,598.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,703.40 : 6,490.52 = 2,607.40 : x
  2. Step 2: Convert to fraction form
    4,703.40/6,490.52 = 2,607.40/x
  3. Step 3: Cross multiply
    4,703.40x = 6,490.52 × 2,607.40
  4. Step 4: Simplify right side
    4,703.40x = 16,923,381.85
  5. Step 5: Solve for x
    x = 16,923,381.85/4,703.40
  6. Step 6: Final answer
    x = 3,598.12

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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.