Home / 1,532.13-2,114.74-1,008.87

Finding the Fourth Proportional to 1,532.13, 2,114.74 and 1,008.87

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Solution

The fourth proportional to 1,532.13, 2,114.74 and 1,008.87 is: 1,392.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.13 : 2,114.74 = 1,008.87 : x
  2. Step 2: Convert to fraction form
    1,532.13/2,114.74 = 1,008.87/x
  3. Step 3: Cross multiply
    1,532.13x = 2,114.74 × 1,008.87
  4. Step 4: Simplify right side
    1,532.13x = 2,133,497.74
  5. Step 5: Solve for x
    x = 2,133,497.74/1,532.13
  6. Step 6: Final answer
    x = 1,392.50

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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.