Home / 1,586.34-2,186.84-1,112.76

Finding the Fourth Proportional to 1,586.34, 2,186.84 and 1,112.76

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Solution

The fourth proportional to 1,586.34, 2,186.84 and 1,112.76 is: 1,533.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586.34 : 2,186.84 = 1,112.76 : x
  2. Step 2: Convert to fraction form
    1,586.34/2,186.84 = 1,112.76/x
  3. Step 3: Cross multiply
    1,586.34x = 2,186.84 × 1,112.76
  4. Step 4: Simplify right side
    1,586.34x = 2,433,428.08
  5. Step 5: Solve for x
    x = 2,433,428.08/1,586.34
  6. Step 6: Final answer
    x = 1,533.99

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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.