Home / 1,572.48-2,170.14-943.03

Finding the Fourth Proportional to 1,572.48, 2,170.14 and 943.03

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Solution

The fourth proportional to 1,572.48, 2,170.14 and 943.03 is: 1,301.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572.48 : 2,170.14 = 943.03 : x
  2. Step 2: Convert to fraction form
    1,572.48/2,170.14 = 943.03/x
  3. Step 3: Cross multiply
    1,572.48x = 2,170.14 × 943.03
  4. Step 4: Simplify right side
    1,572.48x = 2,046,508.55
  5. Step 5: Solve for x
    x = 2,046,508.55/1,572.48
  6. Step 6: Final answer
    x = 1,301.46

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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.