Home / 1,156.07-1,593.78-945.27

Finding the Fourth Proportional to 1,156.07, 1,593.78 and 945.27

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Solution

The fourth proportional to 1,156.07, 1,593.78 and 945.27 is: 1,303.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.07 : 1,593.78 = 945.27 : x
  2. Step 2: Convert to fraction form
    1,156.07/1,593.78 = 945.27/x
  3. Step 3: Cross multiply
    1,156.07x = 1,593.78 × 945.27
  4. Step 4: Simplify right side
    1,156.07x = 1,506,548.88
  5. Step 5: Solve for x
    x = 1,506,548.88/1,156.07
  6. Step 6: Final answer
    x = 1,303.16

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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.