Home / 4,957.57-7,436.15-1,670.65

Finding the Fourth Proportional to 4,957.57, 7,436.15 and 1,670.65

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Solution

The fourth proportional to 4,957.57, 7,436.15 and 1,670.65 is: 2,505.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,957.57 : 7,436.15 = 1,670.65 : x
  2. Step 2: Convert to fraction form
    4,957.57/7,436.15 = 1,670.65/x
  3. Step 3: Cross multiply
    4,957.57x = 7,436.15 × 1,670.65
  4. Step 4: Simplify right side
    4,957.57x = 12,423,220.45
  5. Step 5: Solve for x
    x = 12,423,220.45/4,957.57
  6. Step 6: Final answer
    x = 2,505.91

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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.