Home / 3,445.65-4,754.96-1,873.74

Finding the Fourth Proportional to 3,445.65, 4,754.96 and 1,873.74

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Solution

The fourth proportional to 3,445.65, 4,754.96 and 1,873.74 is: 2,585.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.65 : 4,754.96 = 1,873.74 : x
  2. Step 2: Convert to fraction form
    3,445.65/4,754.96 = 1,873.74/x
  3. Step 3: Cross multiply
    3,445.65x = 4,754.96 × 1,873.74
  4. Step 4: Simplify right side
    3,445.65x = 8,909,549.38
  5. Step 5: Solve for x
    x = 8,909,549.38/3,445.65
  6. Step 6: Final answer
    x = 2,585.74

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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.