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Finding the Fourth Proportional to 1,875.71, 2,588.26 and 1,036.42

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Solution

The fourth proportional to 1,875.71, 2,588.26 and 1,036.42 is: 1,430.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.71 : 2,588.26 = 1,036.42 : x
  2. Step 2: Convert to fraction form
    1,875.71/2,588.26 = 1,036.42/x
  3. Step 3: Cross multiply
    1,875.71x = 2,588.26 × 1,036.42
  4. Step 4: Simplify right side
    1,875.71x = 2,682,524.43
  5. Step 5: Solve for x
    x = 2,682,524.43/1,875.71
  6. Step 6: Final answer
    x = 1,430.14

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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.