Home / 1,532.34-2,112.12-1,503.18

Finding the Fourth Proportional to 1,532.34, 2,112.12 and 1,503.18

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Solution

The fourth proportional to 1,532.34, 2,112.12 and 1,503.18 is: 2,071.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.34 : 2,112.12 = 1,503.18 : x
  2. Step 2: Convert to fraction form
    1,532.34/2,112.12 = 1,503.18/x
  3. Step 3: Cross multiply
    1,532.34x = 2,112.12 × 1,503.18
  4. Step 4: Simplify right side
    1,532.34x = 3,174,896.54
  5. Step 5: Solve for x
    x = 3,174,896.54/1,532.34
  6. Step 6: Final answer
    x = 2,071.93

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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.