Home / 4,702.20-6,487.02-2,934.60

Finding the Fourth Proportional to 4,702.20, 6,487.02 and 2,934.60

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Solution

The fourth proportional to 4,702.20, 6,487.02 and 2,934.60 is: 4,048.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,702.20 : 6,487.02 = 2,934.60 : x
  2. Step 2: Convert to fraction form
    4,702.20/6,487.02 = 2,934.60/x
  3. Step 3: Cross multiply
    4,702.20x = 6,487.02 × 2,934.60
  4. Step 4: Simplify right side
    4,702.20x = 19,036,808.89
  5. Step 5: Solve for x
    x = 19,036,808.89/4,702.20
  6. Step 6: Final answer
    x = 4,048.49

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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.