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Finding the Fourth Proportional to 2,595.75, 3,574.53 and 1,931.45

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Solution

The fourth proportional to 2,595.75, 3,574.53 and 1,931.45 is: 2,659.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,595.75 : 3,574.53 = 1,931.45 : x
  2. Step 2: Convert to fraction form
    2,595.75/3,574.53 = 1,931.45/x
  3. Step 3: Cross multiply
    2,595.75x = 3,574.53 × 1,931.45
  4. Step 4: Simplify right side
    2,595.75x = 6,904,008.10
  5. Step 5: Solve for x
    x = 6,904,008.10/2,595.75
  6. Step 6: Final answer
    x = 2,659.74

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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.