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Finding the Fourth Proportional to 2,373.59, 3,275.90 and 1,489.07

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Solution

The fourth proportional to 2,373.59, 3,275.90 and 1,489.07 is: 2,055.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,373.59 : 3,275.90 = 1,489.07 : x
  2. Step 2: Convert to fraction form
    2,373.59/3,275.90 = 1,489.07/x
  3. Step 3: Cross multiply
    2,373.59x = 3,275.90 × 1,489.07
  4. Step 4: Simplify right side
    2,373.59x = 4,878,020.59
  5. Step 5: Solve for x
    x = 4,878,020.59/2,373.59
  6. Step 6: Final answer
    x = 2,055.13

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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.